Solve the problem.The speed of a stream is 5 mph. If a boat travels 60 mi downstream in the same time that it takes to travel 30 mi upstream, what is the speed of the boat in still water?
A. 18 mph
B. 17 mph
C. 15 mph
D. 10 mph
Answer: C
Mathematics
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the region enclosed by the paraboloids 
and 
.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression by using the order of operations.7 ? 14 ÷ 
- 10 ÷ 2 + (12 - 8)
A. 23 B. 20 C. 13 D. 6
Mathematics
For the following, write an equivalent numeral in the Hindu-Arabic system.
A. 8 B. 780 C. 78 D. 13
Mathematics
Simplify the expression.
A. 35y B. 36y C. y D. 1
Mathematics