Algebra
If x = 4, what is 5x2 -15?
65
What is the surface area of a cube with a side length of 2 cm?
24 cm2
Bob, Chestnut, and Dylan go to a movie. How many different ways are there for them to sit in a row?
6 ways
6 factors
If there are 4 people in a room and each person shakes hands with everyone else, how many handshakes takes place?
6 handshakes
Lolly and Benson are running a 90 mile race. Lolly runs at a speed of 15 miles an hour, whereas Benson runs at a rate of 10 miles an hour. How many hours before Benson does Lolly finish?
3 hours
If the two shorter legs of a right triangle are 16 inches and 30 inches, what is the length of the longest side of the triangle?
34 inches
There are 10 students running for president at Mission High School. If only two students can be president, how many different combinations of 2 students can be chosen?
45 combinations
How many odd factors does 24 have?
220
What value of x satisfies the equation: x2 + 6x + 9=0 ?
-3
A cube has a surface area of fifty-four square centimeters. What is the volume of the cube?
27 cm3
Milly walks into a taco shop. If there are 5 different types of shells, 4 different types of meat, and 6 different types of toppings, how many different taco combinations are possible?
(You can only pick 1 shell, 1 meat, and 1 topping)
120
15
What is the equation of a line that passes through the points (0,3) and (1,6) ?
y = 3x+3
There are 30 students in Ms. Mathy's class. If there are four times as many boys as girls, how many more boys are there than girls?
18 more boys.
What is the difference between the circumference and the area of of a circle with a radius of 4 cm? Express your answer in terms of pi.
8 pi
A 20-sided die with sides labeled with the letters A through T is rolled. What is the probability the letter facing up is a vowel? Express your answer as a common fraction.
1/5
13
Claire’s three sons, from oldest to youngest, are Evan, Joel and Alex. The difference between the ages of Evan and Joel is the same as the difference between the ages of Joel and Alex. If the sum of the three ages is 39, how old is Joel?
13 years old
Penny has six times as many dimes as quarters in her piggy bank. She has 21 coins in her piggy bank totaling $2.55. She only has dimes or quarters.
How many of each type of coin does she have?
3 quarters and 18 dimes
540 degrees
You have 7 cookies to give to 4 kids. How many ways can you do this?
120 ways
What is the sum of the factors of 2020?
4284
What is the area of a triangle with vertices at (1, 8), (9, 2) and (1, 2)?
24 units