Step-by-step explanation:
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It is the same distance apart. .1875-.125 is .0625
1/4 is .25-.1875 is .0625
7.85 dollars because 3.14 is the price of one pound your buying 2.5 so you times 3.14 by 2.5
Midpoint formula: (x1+x2/2 , y1+y2/2)
So, (-1+3/2 , 9+8/2)
-2/2 = -1 17/2 = 8.5
Answer: (-1,8.5)