Mario and his friends ordered 3 pizzas. each pizza was sliced into 8 pieces. they ate 21 slices. how much pizza did they eat? write your answer as a mixed number.

Solve the two-step equation and identify the steps. 1.4x + 6.1 = - 7.9 1. The first step is to subtract 6.1 on both sides. 2. The second step is to divide by 1.4 on both sides.

A door opening is 2 meters high. If there is a 39-centimeter gap between the top of Casey's head and the top of the door opening, how tall is Casey?

John ran the 100-m dash with a time of 9.81 sec. if this pace could be maintained for an entire 26-mi marathon, what would his time be?

A dogs leash allows him to walk in a circle the leash is 6ft long what is the size of the yard inside the circle the dog can walk

Given f (x) = (x - 3) (x + 7), what are the x-intercepts?

Prove that one of every three consecutive positive integer is divisible by 3

find a rational number that is between 5.2 and 5.5. Explain why it is rational Find an irrational number between 5.2 and 5.5. Explain why it is irrational.

What is the greatest common factor of 9 and 36

Last month, James bought a tree that grows 3 cm each day. It was 5 cm tall when he bought it and now it is 68 cm tall. The equation 5 + 3d - 68 can be used to find the number of days (d) James has owned the plant.

Write 7.41*10^ (4) in standard notation.