8(-10x+3.5y-7)
8×-10x + 8×3.5y + 8×-7
-80x + 28y - 56
therefore
-80x+28y-56 is the correct answer
6.9
step-by-step explanation:
simple math really
6 1/2 times 0.6 = 3.9
but if you are just doing 6 and not 6 1/2 then the answer is 3.6