PLSSS HELP IF YOU TURLY KNOW THISS

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

In the diagram of circle a what is m

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5