Find the sum.-15 + (-10)
A. 25
B. -5
C. -25
D. 5
Answer: C
Mathematics
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Solve the problem.Let u = 2i + 8j, v = 2i + 3j, and w = i - j. Write u = u1 + u2 where u1 is parallel to v and u2 is parallel to w.
A. u1 = 4v u2 = -24w B. u1 = 3v u2 = 2w C. u1 = 0.5000 v u2 = -0.5000w D. u1 = 2.000 v u2 = -2.000w
Mathematics
Identify the number as prime or composite.30
A. Composite B. Prime
Mathematics
Solve the problem.Barbara is paid $10.88 per hour for a 40-hour work week. One week she worked 45.5 hours. She is paid time-and-a-half for overtime. What is Barbara's overtime pay for the week?
A. $524.96 B. $68.09 C. $89.76 D. $495.04
Mathematics
Simplify.
A. 2x
B. 
C. 2
D. 
Mathematics