If y =3 8x-y=21
Solve for x
This is actually free points one last time. I know the answer is 3. Happy New Year!!!

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.