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Answer:
B
Step-by-step explanation:
Midpoint formula : (x1 + x2) / 2, (y1 + y2)/2
(-6,3)....x1 = -6 and y1 = 3
(4,-2)...x2 = 4 and y2 = -2
now sub
m = (-6 + 4) / 2, (3 - 2) / 2
m = (-2/2, 1/2)
m = (- 1, 0.5) <==
Because y = -3x - 5, the slope of the equation is -3.
It's the first one because surface area is l*w of each side and add that all together which is 288 sq in.