Solve the problem.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 17 minutes requires 8.5 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 36.125 gallons
B. 8 gallons
C. 2.125 gallons
D. 2 gallons
Answer: D
Mathematics
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Simplify the expression. Assume all variables represent nonzero real numbers.
4
A. 
B. 
C. 
D. 
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Graph the feasible region for the system of inequalities.4y + x ? -2y + 2x ? 104y ? 10x + 40y ? 0
A. 
B. 
C. 
D. 
Mathematics
Frank gathered data on the outside temperature and the number of cups of water he drank each day. If he plotted the data on a scatter plot, which of the following relationships would he likely see between temperature and amount of water consumed?
a. No correlation b. A positive correlation c. A negative correlation d. A constant correlation
Mathematics
Solve the equation.-5 + 7 = 
A. -24 B. 6 C. -4 D. -14
Mathematics