Answer:
9
Step-by-step explanation:
Assuming x is the multiplication symbol, you would multiply 3 and the other 3 together. This leaves you with 9+7-7. Since 7-7=0 you can just get rid of both sevens completely. Now you are only left with 9.
Answer:
The surface area of a box that is 6 by 4 inches is 24in²
D is the correct answer luv
12x+2y=112
6x+y=56
6x=56-y
x=(56-y)/6
y=(56-6x)