Please help
writing equations of polynomial functions

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet