Solve the problem.If (5, -5) is the endpoint of a line segment, and (1, -6) is its midpoint, find the other endpoint.
A. (13, -3)
B. (3, -13)
C. (-3, -7)
D. (-3, -4)
Answer: C
Mathematics
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Solve.There are n people in a room. The number N of possible handshakes by all the people in the room is given by the function N(n) = 
. For what number n of people is 28 ? N ? 325 ?
A. {n|9 ? n ? 25} B. {n|8 ? n ? 26} C. {n|7 ? n ? 28} D. {n|10 ? n ? 25}
Mathematics
Quadrilateral ABCD is inscribed in a circle with ?B opposite ?D. If m?C = 75° , find m?A.
What will be an ideal response?
Mathematics
Combine like terms.5x2 - 7xy + 6y2 - 8x2 - xy
A. -3x2 - 6xy + 6y2 B. -3x2 - 8xy + 6y2 C. 3x2 - 8xy D. 3x2 - 8xy + 6y2
Mathematics
Find a simplified difference quotient for 
What will be an ideal response?
Mathematics