Evaluate.4 - 8
A. -4
B. 12
C. 4
D. -12
Answer: A
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Approximate the value using a calculator. Express answer rounded to three decimal places.2e
A. 6.581 B. 5.437 C. 4.718 D. 7.389
Establish the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
Solve the problem.The psychology lab at a college is staffed by 9 male doctoral students, 8 female doctoral students, 10 male undergraduates, and 14 female undergraduates. If a person is selected at random from the group, find the probability that the selected person is an undergraduate or a female.
A. 
B. 
C. 
D. 
Use a proportion to solve the problem.A label printer prints 8 pages of labels in 4.7 seconds. How long will it take to print 48 pages of labels?
A. 30.20 seconds B. 31.20 seconds C. 32.20 seconds D. 28.20 seconds