15 = x + 4
whats the answer

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation