Simplify.
A. 
B. 
C. 
D. 
Answer: B
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.The third quartile of the scores on the exam is approximately
A. 67 points. B. 80 points. C. 84 points. D. 72 points. E. none of these
Solve the equation.5 = m - 3
A. m = -2 B. m = 8 C. m = 2 D. m = 0
A manufacturing company wants to maximize profits on products A, B, and C. The profit margin is $3 for A, $6 for B, and $15 for C. The production requirements and departmental capacities are as follows: 
What is the maximum profit if the capacity of the painting department changes to 40,000 hours?
A. $95,000 B. $225,000 C. $120,000 D. $60,000
Find the sum without the use of a number line.(-18 )+ (-6) + (-7) + (-7)
A. 10 B. -2 C. -38 D. 12