Numbers Systems
Evaluate the following:
-8 + 12 - (-4)
8
A circular mirror has a diameter of 12 inches. What is the area of the mirror?
A) 6ℼ
B)12ℼ
C) 36ℼ
D) 72ℼ
C) 36ℼ
A box has 4 red blocks, 5 blue blocks, 2 yellow blocks and, 1 white block. A bag has 3 purple marbles, 2 orange marbles, and 1 black marble. What is the probability that you pick a yellow block and a purple marble? Put your answer in simplest form.
1/12
In Tyra's class, the ratio of Boys to Girls is 15 to 8. If there are 16 girls in the class how many boys are there?
30 boys
Six less than four times a number
A) 6 - 4n
B) 4n - 6
C) 6n - 4
D) 4 - 6n
B) 4n - 6
Simplify:
1/4 (8 - 6x + 12)
-1.5x + 5
A circular frame that is 3 inches wide surrounds a mirror that has a diameter of 12 inches. What is the combined area of the circular mirror and the frame?
A) 9ℼ
B)18ℼ
C) 54ℼ
D) 81ℼ
D) 81ℼ
Out of 150 people surveyed 40 people agreed that Mr. Bush is the greatest teacher of all time. At this rate how many people would agree if 450 were surveyed?
120 people
John mowed 11 lawns and earned $206.25. How much did he make per lawn?
$18.75
14 + 16 (23) - 8 ÷ 22
110
Rosy waxes 2/3 of her car with 1/4 bottle of car wax. At this rate, what fraction of the bottle of car wax will Rosy use to wax her entire car?
3/8
A rectangular prism with a volume of 96m3, has a width of 2m and a length of 8m. What is the height?
6m
An airplane's altitude changed -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?
-54 feet per minute
At target you can buy a pack of 26 erasers for $3.54. At Walmart, you can buy a pack of 35 for $4.15. Find the unit rate to determine which store has the better deal.
Target, $0.14
Walmart, $0.12
Walmart has the better deal
Solve for x
-2(x - 4)- 2 = 14
x = -4
Convert 5/8 to a decimal
0.625
The Gonzalez family's backyard is in the shape of a rectangle. The yard measures 20ft long by 15 ft wide. In the middle of the yard is a rectangular sandbox which measures 8ft in length and 6ft in width. What is the total area of the yard surrounding the sand box?
252 ft2
Based on the following data set, what is larger the mean, median, or mode?
6,7,7,7,7,8,9,9,10,10
Mean = 8
Median = 7.5
Mode = 7
Jeremy ran 5/2 of a mile in 1/3 of an hour. How many miles can he run per hour?
7.5 miles per hour
Which equation has a constant of proportionality equal to 4?
A) 4y = 4x
B) 4y = 12x
C) 3y = 4x
D) 3y = 12x
D) 3y = 12x
During the week Mr. Bush made four withdrawals of $40 each from the ATM. He also used his check card for a $156 purchase. Then he deposited a check for $375. How much did the amount of his account change during the week
A) $59 increase
B)$59 decrease
C) $691 increase
D) $691 decrease
A) $59 increase
What is the surface area of a rectangular prism that has a width of 5m, a length of 7m, and a height of 2m?
118m2
A box has 4 red blocks, 5 blue, 2 yellow and 1 white. A bag has 3 purple marbles, 2 orange marbles and 1 black marble. What is the probability that you pick a yellow block and purple marble?
1/12
Kay's Candy shop is selling boxes of candy. They have marked up the prices of the box by 1/8 of the original cost of $26.00. They then offer a discount of 1/5 off of the new price. How much is the final cost?
$23.40
Jessica rented 1 video game and 3 movies for a total of $11.50. The video game cost $4.75 to rent. The movies cost the same amount each to rent.
What amount, in dollars, did Jessica pay to rent each movie?
$2.25