Solve.An inflatable circular pool has a radius of 4
ft. Approximate the distance around the pool. Use 
for ?.
A. 56
ft
B. 13
ft
C. 26
ft
D. 6
ft
Answer: C
Mathematics
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Solve the problem.How many arrangements of answers are possible in a multiple-choice test with 7 questions, each of which has 4 possible answers?
A. 16,384 B. 210 C. 840 D. 35
Mathematics
Find an algebraic expression equivalent to the given expression.sin (arcsec u)
A. 
B. 
C. 
D. 
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Find the domain of the rational function.f(x) = 
A. {x|x ? 3, -7, -5} B. {x|x ? 3, -7} C. {x|x ? -3, 7} D. all real numbers
Mathematics
Solve the inequality. Graph your solution on a number line, and write your solution in interval notation.
? 12
A. (-?, 18]
B. (-?, -6]
C. (-?, -6] ? [18, ?)
D. [-6, 18]
Mathematics