What is it i'm actually supposed to do? ?

the figure consists of a tangent and a secant to the circle.

a. 9.2

b. 7.7

c. 14.3

d. 85

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

Ineed with this problem 21 show steps

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