One number, a, is 18 more than 3 times another number, n. What is the correct equation for the number a in terms of n?
What is a = 3n + 18
100
Triangle ABC has the coordinates A(0,8), B(4,4) and C(–6,2). Find the new coordinates if the triangle is dilated by a scale factor of 2 and the center stays in the same place.
What is A'(0,16), B'(8,8), C'(–12,4)
100
Grace is making a rectangular patio in her backyard. The patio will be 9 feet by 12 feet. She wants to measure the diagonal to make sure she has made the patio ‘square,’ which in this case means that the angles are all 90 degrees. When Grace measures the diagonal, what length should she find?
What is 15 ft
100
If Sam flips a fair coin 25 times and gets heads each time, what is the probability of getting heads again?
What is 1/2
100
Rico's Tool Rental charges $12.50 to rent one of their tools for the first hour and $5.50 for each additional hour or part of an hour after the first hour. What is the total charge for renting a tool for 3 hours 45 minutes?
What is $29.00
200
Which of these is the best estimate of square root of 24.
What is between 4 and 5
200
Jessica enlarges a picture using a copy machine. The picture is 6 inches by 9 inches. She enlarges it by a factor of 2.7. What size will the new picture be?
What is 16.2 in. by 24.3 in
200
Mr. Sanchez uses an overhead projector to show a circle on the board. On the projector, the radius of the circle is 4 inches. The area of the circle on the board is 16 times the area of the circle on the projector. What is the radius of the circle on the board?
What is 16 inches
200
A bag of lollipops contains 6 cherry and 5 grape lollipops. If 2 lollipops are taken from the bag at random, what is the probability that BOTH lollipops will be cherry?
What is 3/11
200
In 1966, a computer's internal memory could contain 8 K of information. Since then, computers' memory capacities have increased, first to 16 K, then 32 K, 64 K, 128 K, and 256 K. If the pattern continued the same way 3 more times, how much memory would the computer be able to contain?
What is 2048K
300
Place the following in order from greatest to least.
–43, 24, 43, –24, 0
What is -43, -24, 0, 24, 43
300
Antonio needs to replace the cord on a flagpole. To figure out how high the flagpole is, he stands next to it on a sunny day. Antonio is 70 inches tall. His shadow is 105 inches long. He measures the shadow of the flagpole to be 480 inches long. How tall is the flagpole?
What is 320 ft
300
Jeff and Katie are building a fence in the shape of a square for their family dog. After Katie and Jeff made their measurements and did their calculations, their parents tell them there is twice as much fencing as they originally planned. If Jeff and Katie still build a square fence, how much more area will their dog have?
What is 4 times the area
300
Eight marbles are put into a bag. Two are blue, 2 are red, and 4 are green. If a red marble is drawn and not replaced, what is the probability that the next marble drawn will be green?
What is 4/7
300
Hakeem wants to buy an aquarium and 16 goldfish. The aquarium costs $29.50. Each goldfish costs $0.79. Which of the following operations could be used to find the total cost of the aquarium and the goldfish?
A Subtraction and division
B Multiplication and addition
C Addition and division
D Subtraction and multiplication
What is B
400
A serving of cookies has 300 calories and 60% of those are from fat. Isaac eats 2.5 servings of cookies. Which expression shows how many fat calories Isaac has eaten?
What is 300 x 0.6 x 2.5
400
A bicycle wheel has a radius of 3 feet. What is the closest estimate of the distance of 4 full rotations of the wheel?
What is 75 ft
400
A cylindrical silo is 10 feet high and has a diameter of 32 feet across. What is the BEST estimate of the silo's total volume?
What is 8038 feet
400
Tom is going to conduct a school survey to determine which T-shirt design the students like best. Which sampling method is NOT a good representation of his school’s student population?
A Survey all the students at four random lunch tables in the cafeteria.
B Survey every seventh person as they enter the school in the morning.
C Survey 1/4 of the student body by randomly drawing their names.
D Survey every third person entering the supermarket.
What is D
400
Allison's mom plans to buy enough pizza for each child at the birthday party to have 2 slices. If there are 25 kids coming to the birthday party and each large pizza cost $12.95, what other information is most important for us to have find the total cost of the pizzas?
A The number of toppings on the pizza.
B The number of people eating pizza.
C The time of day of the birthday party.
D The number of slices in each pizza.
What is D
500
Dennis paid $5.50 for 2 pounds of candy. How much would he pay for 5 pounds of candy?
What is $13.75
500
A rectangular dog kennel uses 24 meters of fencing. If the width of the kennel is 6 meters what is the length?
What is 6 meters
500
What is the total suface area of a rectangular prism with a height of 4, a width of 7, and a length of 3?
What is 122
500
A retail store had sales of $380, $425, $590, $400, $380, $585 and $450 for the days last week. Which measure of data would be greatest and would therefore make the stores' sales last week appear most profitable?
A mean
B median
C mode
D range
What is A
500
Jamie purchased 4 tickets to a water park. The tickets cost $18.00 each. Jamie’s total bill was $78.85. What is the tax rate that Jamie paid?