What is 4 to the 7th power

Factor this polynomial completely x^2-64

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.