Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve.The speed of a stream is 4 mph. If a boat travels 78 miles downstream in the same time that it takes to travel 39 miles upstream, what is the speed of the boat in still water?
A. 15 mph B. 12 mph C. 8 mph D. 14 mph
Mathematics
Solve the equation.3(x - 5) + 8 = -2 + x - 25
A. -10 B. 10 C. 5 D. -5
Mathematics
Perform the indicated operation. Express your answer in simplest form.3
- 2
A. 
B. 5
C. 
D. 1
Mathematics
Solve using a proportion. Round your answer to the nearest hundredth when necessary.It takes Emma 26 minutes to type and spell check 14 pages of a manuscript. Find how long it takes her to type and spell check 91 pages. Round answer to the nearest whole number if necessary.
A. 169 minutes B. 49 minutes C. 2366 minutes D. 26 minutes
Mathematics