Solve.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 19 minutes requires 9.5 gallons of water. Find the amount of water used in a shower lasting 9 minutes.
A. 171 gallons
B. 4.5 gallons
C. 4 gallons
D. 5 gallons
Answer: B
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Solve the problem.In how many ways can a company choose an accountant and a manager if there are 4 applicants for the accountant position and 10 applicants for the managerial position?
A. 302,400 B. 40 C. 5040 D. 151,200
Regina pays her credit card balance in full each month. Last month her average daily balance was $345 and the APR is 11.2%. The finance charge on her current month's statement is $13.22.
Answer the following statement true (T) or false (F)
Translate using numbers and symbols.The product of y and z
A. 
B. yz
C. y + z
D. y - z
Solve the problem.A painter can finish painting a house in 5 hours. Her assistant takes 7 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 6 hours
B. 4 hours
C. 
hour
D. 2
hours