Suppose a traveler wanted to visit a museum, an art gallery, and the state capitol building. 45-minute tours are offered at each attraction hourly from 10 a.m. through 3 p.m. (6 different hours). Solve the problem, disregarding travel time.In how many ways could the traveler schedule two of the three tours in one day?
A. 180
B. 30
C. 36
D. 120
Answer: B
Mathematics
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Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}n(A' ? B ? C)
A. 3 B. 0 C. 2 D. 1
Mathematics
Factor, if possible.(s + 3)3 - 216
A. (s - 3)(s2 - 9s + 45) B. (s - 3)(s2 + 12s + 63) C. (s2 - 3)(s2 + 12) D. (s + 3)(s2 - 12s + 63)
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 4
B. 4
C. 20
D. 4
Mathematics
Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
-3/4
A. 74/3
B. 
4/3
C. 73/4
D. - 
3/4
Mathematics