Solve the problem.A boat heads upstream a distance of 30 miles on the Mississippi river, whose current is running at 5 miles per hour. If the trip back takes an hour less, what was the speed of the boat in still water? Give the answer rounded to two decimal places, if necessary.
A. 18.03 mph
B. 16.58 mph
C. 15 mph
D. 6 mph
Answer: A
Mathematics
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Use Hamilton's method to find the apportionment.The table below gives the populations of four districts A, B, C, and D, among which a total of 60 seats are to be apportioned.
How many seats does district A receive using Hamilton's method?
A. 29 B. 26 C. 28 D. 27
Mathematics
Write the fraction as a decimal.
A. 0.676 B. 0.696 C. 0.645 D. 0.685
Mathematics
Graph f(x) by rewriting f(x) = (ax + b)/(x + c) in f(x) = a + d/(x + c) form.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.5
+ 1
A. 6
B. 7
C. 7
D. 6
Mathematics