Solve the problem.Dan's long-distance phone carrier charges him $3.95 a month for service. In addition, Dan is charged 5 cents a minute for the calls he makes. If his monthly bill is $48.50, how many minutes of calls did he make?
A. 881 minutes
B. 892 minutes
C. 902 minutes
D. 891 minutes
Answer: D
Mathematics
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Find the maximum value of 
. Restrict your attention to the horizontal span of 0 to 9. Round your answer to two decimal places.
?
A. 1.13 B. 20.06 C. 2.72 D. 23.89
Mathematics
Multiply the monomial and the polynomial.6x3(-7x6 - 3x2 + 12)
A. -42x6 - 18x2 + 72 B. -42x9 - 18x5 C. -42x9 - 3x2 + 12 D. -42x9 - 18x5 + 72x3
Mathematics
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.ln (x - 3) + ln (x + 5) = ln 20
A. -7, 5 B. -5, 7 C. 7 D. 5
Mathematics
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.
-2
A. 
B. 
C. 
D. 
Mathematics