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 $63 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 2 min
B. 10 min
C. 960 min
D. 1560 min
Answer: C
Mathematics
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Evaluate.115
A. 15 B. 1 C. 0 D. Not defined.
Mathematics
Write an equivalent expression using the distributive law.-9(x + 7)
A. -9x - 63 B. 9x - 63 C. -9x + 7 D. x - 63
Mathematics
Solve the problem.The sum of the angles of a triangle is 180°. Find the three angles of the triangle if one angle is twice the smallest angle and the third angle is 12° greater than the smallest angle.
A. 36°, 48°, 96° B. 42°, 84°, 54° C. 34°, 68°, 78° D. 36°, 72°, 72°
Mathematics
Multiply.
A. -3 B. 8 C. -8 D. -10 E. 10
Mathematics