Solve.Meredith got a monthly cable bill for a base rate of $18.30 , an additional $5.10 for a package of movie channels, a charge of 
for taxes, and a credit of $14.30 to make up for a billing error the previous month. How much was the cable bill?
A. $43.04
B. $40.04
C. $9.44
D. $11.44
Answer: D
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
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Find the domain of the function.f(x) = ln (10x - x2)
A. x ? 10 B. 0 < x < 10 C. -10 ? x < 0 D. -10 < x < 10
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Evaluate.|-x| if x = 6
A. -1 B. -6 C. 1 D. 6
Mathematics
Solve the problem.
A radio telescope has a parabolic surface. If it is 1 m deep and 20 m wide, how far is the focus from the vertex?
A. 1 m B. 5 m C. 25 m D. 100 m
Mathematics