Find the derivative of the following functions a. f
 x   
3
b. g  x  
 e
3
7find the derivative

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?