What is the common ratio of the geometric sequence below? –2, 4, –8, 16, –32, -4/2 -2/4 2/4 4/2

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

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

When is g(x) = 0 for the function g(x) = 5.23x + 4?