Which graph best represents the equation f(x) = 2(5)^x

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Which expression is equivalent to -5(3x - 6/7)