Im probably wrong but i think you would do -4 - 7 + 3 = -8
Answer:

Step-by-step explanation:
Let

We factor 2 to obtain;

We factor the polynomial within the parenthesis by grouping.



We apply difference of two squares on the second factor: 

We now compare to;

It is now obvious that 
Answer:
so u will pay 3.82 and u will save 15.26 dollars
Step-by-step explanation:
Answer:
They both involve writing a rate.
Step-by-step explanation:
EDGENUITY ANSWER
Answer:
2l + 2w. l+l+w+w. l+l+2w. 2(l+w)