Please help its on dilations!​

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides