At what x-values is f′(x) zero or undefined? for 2x3squarerootx-3

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Acircle has a circumference of 28.36 units what is the diameter of the circle

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.