Provide an appropriate response.
A boat traveled 36 miles down river, with the current of the water, in 2.25 hours. On the return trip, against the current, the trip took 3 hours. What was the rate of the boat in calm water?
A. 16 mph
B. 14 mph
C. 2 mph
D. 12 mph
Answer: B
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On a number line, what number is 6 units to the right of –9?
A. –14 B. 3 C. –15 D. –2 E. –3
Fill in the blank with one of the words or phrases listed below.
A(n) 
can be written in the form ax + b < c, (or >, ?, ?).
A. linear equation in one variable B. numerical coefficient C. linear inequality in one variable D. percent
Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula 
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. If a 
-watt resistor has a resistance of 3600 ohms, find the largest number of volts of electricity that could be placed across the resistor.
A. 60 volts B. 15 volts C. 900 volts D. 30 volts
Find a number to replace the question mark so that the given fractions are equivalent.
= 
A. 30 B. 6 C. 60 D. 300