Solve the problem.From a point on a river, two boats are driving in opposite directions, one at 5 miles per hour and the other at 6 miles per hour. In how many hours will they be 22 miles apart?
A. 2 hours
B. 4 hours
C. 1 hour
D. 3 hours
Answer: A
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Verify that the given equation is an identity.sinh2x = 
What will be an ideal response?
Provide an appropriate response.The following diagram is a sketch of a 16-in. ruler marked using 
inches. 
Without using a calculator, indicate between which two adjacent ruler marks the following irrational number will fall. Support your answer by obtaining an approximation to the nearest hundredth with a calculator.
in.
A. Between 3 and 3.5; 
? 3.45
B. Between 2.5 and 3; 
? 2.95
C. Between 1.5 and 2; 
? 1.95
D. Between 2 and 2.5; 
? 2.45
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Translate the phrase to an algebraic expression.Nine times a number
A. 9 + x
B. 9x
C. 9 - x
D. 