For a you have to solve 2 solutions , first 2x=12
6=x then you plug that back in, 12+8y=12
8y=0
y=0
(6,0)
10 and -4. You multiply 10 times -4 to get -40 and you add 10 and -4 to get 6
Answer:
2 pie r is the measure of its circumference.
Let b be the number of books in a box. Then we can say that the total number of books is equal to the number of boxes times the number of books per box.
7b=126 divide both sides by 7
b=18
So there are 18 books per box.