The most reasonable answer would be H.
Do u know the area of a circle
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Answer:
The coordinates of the fourth vertex of the rectangle is 
Step-by-step explanation:
Let

using a graphing tool
Plot the vertices of the rectangle
The coordinates of point D will be the intersection point of the line parallel to AC that passes through the point B with the line parallel to AB that passes through the point C
The intersection point is 
see the attached figure
Answer:
a = 11,390,625.
Step-by-step explanation:
a^x/6 = (a^1/6)^x
(a^1/6)^x = 15^x so:
a^1/6 = 15
1/6 ln a = ln 15
ln a = 6 ln 15
ln a = 16.2483
a = 11390625.
the answer is 44 just do 86- 42 and it gives you the answer