Can someone me understand what i did in this problem to get it wrong

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

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.