A car travels 162 miles in 2 hours and 15 minutes.
Work out its average speed.

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate