What is 40 over 72 in simplest form

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

Easy points boii. read it. ya. fresh

What is the perimeter of square abcd? units units 28 units 37 units