Answer:
its a after about 17.5 billion years of watching shrek it is a
Step-by-step explanation:
She has to give 9 ounces of potato salad to each guest and 9 guests coming over.
EQUATION: 9*9=amount of potato salad=81 ounces
18 x 4 = 72
(9 x 2) x 4 = 72
9 x (2 x 4) = 72
Step-by-step explanation:
x - 4 = 2x + 9
x - (2x) = 9 + (4)
-x = 13
x = -13.