Factor the expression below.
x^2 - 81

Name the most appropriate metric unit for each measurement like a length of an carrot

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.