What’s the answer to this?

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.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5