Find the common ratio of the give sequence, and write an exponential function which represents the sequence. use n=1, 2, 3, .. a)3; f(n)=81^n-1 b)3; f(n)=81(3)^n-1 c)1/3; f(n)=81(3)^n-1 d)1/3; f(n)=81(1/3)^n-1

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll