Solve the problem.A circle has a diameter with endpoints (-2, 1) and (18, 17). Find the coordinates of the center.
A. (8, 9)
B. (-12, -7)
C. (16, 18)
D. (38, 33)
Answer: A
Mathematics
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Find the limit, if it exists.
A. 1 B. Does not exist C. 2 D. 1/2
Mathematics
Solve the problem.Find the distance between the skew lines 
and 
A. 2
B. 2
C. 3
D. 3
Mathematics
Combine like terms and write the resulting polynomial in descending order of degree.6y6 + 9y3 - 9y3 - 9y6
A. -3y6 B. -3y6 - 18y3 C. -3y6 + 18y3 D. -6y6
Mathematics
Find the determinant.det 
A. 0 B. 1 C. -1 D. -5
Mathematics