If a = -9 and b = -4, what is the value of a + b ?

-5
5
-13
13

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion