Simplify. Keep your answer in exponent form.
:) help

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Which statement about perfect cubes is true