Solve the problem.Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. How long will they take to paint the fence if they work together?
A. 5
hr
B. 5
hr
C. 5
hr
D. 11
hr
Answer: C
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 6?
B. 
?
C. 
?
D. 
?
Mathematics
Solve.log6(5x - 3) = 2
A. - 
B. 34
C. 
D. 
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 6)(x + 1)(x - 9) < 0
A. (9, ?) B. (-6, -1) ? (9, ?) C. (-?, -6) ? (-1, 9) D. (-?, -1)
Mathematics
Find the limit of the sequence (if it exists).
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics