Provide an appropriate response.The diagonals of a 
intersect at their common midpoint.
A. trapezoid
B. pentagon
C. parallelogram
D. rhombus
Answer: D
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Write one or more inequalities that describe the set of points.The slab bounded by the planes x = -8 and x = 6 (planes included)
A. x ? -8 and x ? 6 B. x = -8 and x = 6 C. -? < y < ? and -? < z < ? D. -8 ? x ? 6
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 212 miles in the same time that Dana travels 192 miles. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 56 mph B. 50 mph C. 48 mph D. 53 mph
Write in terms of the cofunction of a complementary angle.sin 79°
A. cos 101° B. cos 11° C. csc 101° D. csc 11°
Write the expression using a single radical sign. Assume that all variables represent positive real numbers. Simplify the radicand if possible.
A. x
B. 
C. 
D. 