to make a backyard ice rink, a company developed Ice Rink Layers which are like giant plastic bags that can be filled with water
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Answer:
C. 2
Step-by-step explanation:
Subtract inside the parenthesis inside the numerator.
Multiply -8 and 5 in the numerator.
Rewrite the denominator knowing that x - (-y) = x + y.
Add inside the parenthesis in the denominator.
Multiply -2 and 10 in the denominator.
Rewrite the fraction knowing that (-x)/(-y) = x/y.
Divide 40 by 20 to get: 2.