Simplify the expression using the order of operations.13 - (-10)2
A. 87
B. 113
C. -87
D. 33
Answer: C
Mathematics
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Solve the system by elimination.
A. (6, 5) B. (-6, 4) C. inconsistent, ? D. (7, 4)
Mathematics
Solve the problem.Evaluate 
at (u,v) = (3, 2) for the function w(x, y) = xy - y2; x = u - v, y = uv.
A. 7 B. -16 C. 1 D. 5
Mathematics
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
What category takes the largest amount of the budget?
A. transportation B. charitable contributions C. food D. rent
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 6
B. 5
C. 5
D. 4
Mathematics