Which statement accurately describe the function f(x)=3(16) 3/4x?

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14

1) if x^2=40, what is the value of x? a) +- 80 b) +- 20 c) +- square root of 80 d) +- square root of 40 2) solve x^2= -169 a) undefined b) 13 c) +- 13 d) -13 3) a square rug covers 79 square feet of floor. what is the approximate length of one side of the rug? (approximate to the nearest hundredth foot) a) 8.86 feet b) 8.87 feet c) 8.88 feet d) 8.89 feet