Which value(s) from the set {5,7,9,11,13} make the inequality w-4< 8 true?

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

How to do this , and can some one explain

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base