For which value(s) of x will the rational expression below be undefined? check all that apply
(x-3)(x+6)/x+7

a. 3
b. -6
c. 6
d. -3
e. -7
f. 7

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.