Solve.The speed of a stream is 6 mph. If a boat travels 92 miles downstream in the same time that it takes to travel 46 miles upstream, what is the speed of the boat in still water?
A. 20 mph
B. 21 mph
C. 18 mph
D. 12 mph
Answer: C
Mathematics
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Solve. Remember to insert units in your answer.A bottle weighs 247 grams. Find the weight in kilograms of 15 bottles.
A. 3705 kg B. 3.705 kg C. 37.05 kg D. 3,705,000 kg
Mathematics
Find the volume of the solid. Use 
for ?. 
A. 210 cu m B. 14 cu m C. 70 cu m D. 10 cu m
Mathematics
Solve the problem.Mr. Smith has $3207 in his checking account. How much is in the account after he writes a check for 
?
A. $2274 B. $4040 C. $2374 D. $4050
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-5x2 + 19x + 4
A. Prime B. (-5x + 1)(x - 4) C. -(5x - 1)(x + 4) D. -(5x + 1)(x - 4)
Mathematics