Solve.The amount of water used to take a shower varies directly as the amount of time that the shower is in use. A shower lasting 20 minutes requires 10 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 50 gallons
B. 8 gallons
C. 2 gallons
D. 2.5 gallons
Answer: C
Mathematics
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Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = x2 - 36
A. x = -6, x = 6 B. x = -1,296, x = 1,296 C. x = -6 D. x = 6
Mathematics
Find the limit if it exists. 
What will be an ideal response?
Mathematics
Solve.
= -7
A. 
B. 
C. 
D. ?
Mathematics
Simplify the expression. Assume all variables represent nonzero real numbers.(x4)3
A. x7 B. 3x4 C. x12 D. 12x
Mathematics