Factor completely, then place the factors in the proper location on the grid. y2 - xy - 56x2​

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

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex