Answer:
Step-by-step explanation:
A negative number times a negative number is a positive.
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15 hours
so, 8 x y = 120
15
Option B
First make x = 4 and y = 3 in the equation y = -1/2x + 5
it should look like 3 = -1/2(4) + 5 now we can solve
-1/2 * 4 = -2 → 3 = -2 +5
-2 + 5 = 3 → 3 = 3
