What is 5 to the negative 3 power supposed to be in simplified form???

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Find the distance between (7,-6) and (-3,-9)

Factor the polynomial by its greatest common monomial factor.