Determine the constant of variation for the stated condition.b varies directly as a, and b = 35 when a = 5.
A. k = 7
B. k = 
C. k = 9
D. k = 30
Answer: A
Mathematics
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Solve the problem.The library is to be given 6 books as a gift. The books will be selected from a list of 23 titles. If each book selected must have a different title, how many possible selections are there?
A. 148,035,889 B. 6,436,343 C. 72,681,840 D. 100,947
Mathematics
Simplify the expression.
A. 4x2 B. x2 C. 4x3 D. x3
Mathematics
Rewrite in exponential form.log x = 3
A. 310 = x B. 10x = 3 C. 103 = x D. x10 = 3
Mathematics
Solve.x5 - 25x3 ? 0
A. (-?, -5] ? [5, ?) B. [-5, ?) C. [-5, 0] ? [5, ?) D. (-?, -5] ? [0, 5)
Mathematics