N + 12 = 31
N = 31 - 12
N = 19
Answer:
8x+10y
Step-by-step explanation:
What you do first is you need to subtract -2y from 9y to get 7y.
So you have (12x+7y)-(4x-3y). The negative sign needs to be added into the problem so it will be (12x+7y)+(-4x+3y). You will then add and minus them together to get 8x+10y.
I believe your answer would be 56.2mpg more on the highway.
Basically 3 : horizontally, diagonally, and vertically.
The perimeter of the shape is 43 centimeters. The area is 48 centimeters.
