Solve.A 20-foot pole is supported by two wires that extend from the top of the pole to points that are each 16 feet from the base of the pole. Find the total length of the two wires.
A. 72 ft
B. 8
ft
C. 4
ft
D. 1312 ft
Answer: B
Mathematics
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Solve the inequality 
. Restrict your attention to positive values of x. Round your answer to two decimal places.
?
A. 
B. The inequality is always true.
C. ?
D. The inequality is never true.
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = x4 - 6x3 + 3x2 + 24x - 28
k = 2
A. ±2, 3 ± 
B. ±2, -3 ± 2i
C. ±2, 3 ± 2i
D. ±2, -3 ± 
i
Mathematics
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 20 watches B. 31 watches C. 63 watches D. 39 watches
Mathematics
Convert to degree measure. Round to two decimal places, if necessary.4
A. 229.38° B. 229.18° C. 458.36° D. 458.16°
Mathematics