Simplify.
A. 7 - a2
B. 
C. 
D. 
Answer: C
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Which of the following is not true about permutations? ?
A. Order matters. The arrangement AB is a different result than BA. B. Drawing a picture of all possible outcomes, to help you find the probability of an event, is conceivable in certain situations. C. Finding the probability of selecting candidates for the positions: secretary, treasurer, and administration assistant requires the use of permutation. D. Find the probability of selecting candidates for five administrate assistant positions requires the use of permutation. E. ?None of the above.
Divide.-570 ÷ 95
A. 6 B. -16 C. 16 D. -6
Which of the following best describes the thinking exhibited by mathematicians as they are engaged in doing geometry?
a. Idiosyncratic thinking b. Procedural thinking c. Van Hiele thinking d. Normative thinking
Refer to the circle graph to solve the problem.Time Required to Install Carpeting in a House (Work Shift = 8 hours) 
What fraction of the work shift was spent laying the padding and installing new carpet?
A. 
B. 
C. 
D. 