Evaluate the expression.-3-4
A. -81
B. 
C. 81
D. - 
Answer: D
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The following system does not have a unique solution. Solve the system.
A. inconsistent system, no solution B. infinitely many solutions of the form x = -10 - 2z, y = 1, z = z C. infinitely many solutions of the form x = -10 - 2z, y = 1 - z, z = z D. x = -8, y = 1, z = -1
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 $65 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 1600 min B. 3 min C. 1000 min D. 10 min
Solve the problem.Find the length of the radius of a circle with diameter 76 ft
A. 119.32 ft B. 19 ft C. 4534.16 ft D. 38 ft
Solve the problem.Find the average rate of change.
Number of Hours Spent Traveling
A. 0.3 mph B. 3.0 mph C. 0.2 mph D. 5.0 mph