Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Find the following. Assume that the letter can represent any real number.
A. 
B. 
C. -
D. x
Mathematics
Name the vertex and the sides of ?MPQ.
A. P; MP and PQ B. Q; MP and PQ C. P; MP and MQ D. Q; MQ and PQ
Mathematics
Determine the symmetries of the curve.r = 8?
A. x-axis, y-axis, origin B. No symmetry C. y-axis only D. x-axis only
Mathematics
Solve the problem.Evaluate 
at (x, y, z) = (5, 2, 2) for the function u(p, q, r) = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 18 B. 38 C. 42 D. 22
Mathematics