Solve the problem.Suppose you would like to cross a 205-foot wide river in a boat. Assume that the boat can travel 33 mph relative to the water and that the current is flowing west at the rate of 5 mph. If the bearing is chosen so that the boat will land at a point exactly across from its starting point, how long will it take for the boat to make the crossing? Give your answer to the nearest second.
A. 17 sec
B. 9 sec
C. 4 sec
D. 2 sec
Answer: C
Mathematics
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Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 
, g(x) = 
A. (-?, ?) B. (-?, -3) ? (-3, -2) ? (-2, 0) ? (0, ?) C. (-?, -2) ? (-2, 0) ? (0, ?) D. (-?, -3) ? (-3, 0) ? (0, ?)
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Simplify by combining like terms.-8 + 5m + 13 - 7m
A. -3m + 4 B. -m - 5 C. -2m + 5 D. -m + 5
Mathematics
Use the circle graph to answer the question.How did a family spend a total of 20,000 miles driving to different locations for various purposes over the course of one year? Simplify the fraction representing the number of School/church miles driven. 
A. 
B. 
C. 
D. 
Mathematics
Evaluate.0 ? (-19)
A. 0 B. -19 C. -38 D. 19
Mathematics