Solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $56 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 8 min
B. 2 min
C. 820 min
D. 1420 min
Answer: C
Mathematics
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Simplify the algebraic expression by removing parentheses and combining similar terms.3(-x - 5) - 2(5x + 2) - 3(x + 3)
A. –16x - 28 B. –14x - 28 C. –14x - 24 D. 14x + 28 E. –16x - 24
Mathematics
Find the quotient.-7.52 ÷ -8
A. 109.4 B. 0.94 C. 9.4 D. 10.94
Mathematics
Draw and label a rectangle to illustrate the following product.(2x + 1)(2x + 1)
What will be an ideal response?
Mathematics
Solve the problem.A fossilized leaf contains 12% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 1,031 B. 36,108 C. 20,040 D. 17,099
Mathematics