Is three forths bigger than four fifths

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 three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

What is the measure of angle 1? a.28 b.152 c.168 d.64