Which of the following represents a geometric series (remember what a series is as opposed to a sequence)?

4, 12, 36,

4 + 12 + 36 +

4 + 12 + 20 +

4, 12, 20,

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

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.