Solve.The speed of a stream is 6 mph. If a boat travels 94 miles downstream in the same time that it takes to travel 47 miles upstream, what is the speed of the boat in still water?
A. 20 mph
B. 12 mph
C. 18 mph
D. 21 mph
Answer: C
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log1020
A. 0.3010 B. 2.3010 C. 0.7686 D. 1.3010
Solve. Write a mixed numeral for the answer.Mr. Meredith is building a table. The top will have a piece of marble 
inches by 10 inches, bordered by 1
inches of wood on all four sides. Give the overall dimensions of the table top.
A. 26 in. by 12
in.
B. 26
in. by 12
in.
C. 26 in. by 12 in.
D. 24
in. by 11
in.
Find an equation of the line passing through the given point with the given slope, m. (-6, -2), m = 
A. y = - 
x + 1
B. y = 
x + 1
C. y = 2x + 1
D. y = 
x - 1
Solve the problem.An airplane has an airspeed of 125 km/h. It is to make a flight in a direction of 305° while there is a 
wind from 210°. What will the airplane's actual direction be?
A. 107° B. 292° C. 283° D. 318°