Evaluate the expression for othe given values of the variables.9x - 5(x + 2) for x = -3
A. -17
B. -36
C. -22
D. -25
Answer: C
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Solve the problem.Evaluate 
at (u, v) = (5, 5) for the function w(x, y, z) = xz + yz - z2; x = uv, y = uv, z = u.
A. -10 B. 90 C. 100 D. 0
Find the reciprocal of the number or expression. Assume variables do not cause any denominators to equal 0.
A. 
B. 
C. -
D. 
Find the union of the sets.{-6, -2, 2, 7} ? {-4, 0, 4, 9}
A. {-6, -4, -2, 0, 2, 4, 7, 9} B. ? C. {0} D. {-2, 0, 2}
The commissioner of the City of Newton Department of Public Works estimates that the number of people in the city who have been recycling their magazines in year t following the introduction of the recycling program at the beginning of 1990 is
?
?
Find the average number of people who will have recycled their magazines during the first 9 years since the program was introduced.
?
A. 38,001 B. 38,044 C. 29,214 D. 45,046