Find the height in centimeters of a square pyramid with a volume of 72 cm and a base edge length equal to the height. cm

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?