Answer:
c is the answer since you are trying to make the ys number (-/+) of the value the other y contains
(3) so you will multiply the first equation by -3 to be able to eliminate y
the answer is 21/77 because you multiplied 11 by 7 to get 77, you multiply 7 by which gives you 21/77
Answer:
28 in²
Step-by-step explanation:
It is not factorable. Factors of 21 are. 21 and 1
7 and 3. None of those add up to 12
