An item costs $360 before tax, and the sales tax is $10.80. find the sales tax rate. write your answer as a percentage.

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

Plz heeeeeeelp plz give me the answer

Need solving this second acceleration problem.