What is f(g(13)) A. 16 B. 26 C. 32 D. The function is undefined

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

What percent of 18 is 24? and plz explain thx.

What is the circumference of a circle with an area of 50.24 cm²?