Which of the following recursive formulas represents the same geometric sequence as the formula an = 3 * 3n - 1?

a. an = 9 * an - 1
b. an = 3 * an - 1
c. an = 9 + an - 1
d. an = 3 + an - 1

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x

What is the solution to the equation e3x=12? round your answer to the nearest hundredth