Solve.When making a long distance call from a certain pay phone, the first three minutes of a call cost $1.30. After that, each additional minute or portion of a minute of that call costs $0.25. Use an inequality to find the maximum number of minutes one can call long distance for $4.30.
A. at most 12 minutes
B. at most 17 minutes
C. at most 15 minutes
D. at most 3 minutes
Answer: C
Mathematics
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Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.(8, 4); Find cot ?.
A. 
B. 
C. 2
D. 
Mathematics
Perform the indicated operation.(9m + 2)(5m2 + m - 6)
A. 45m3 + 19m2 - 52m - 12 B. 45m3 + 1m2 - 52m - 12 C. 45m3 - 52m - 12 D. 14m2 - 52m - 12
Mathematics
Solve.
= 
A.
| 0.0768? |
B. 2.4
C. 0.075
D. 0.75
Mathematics
Solve the problem.If an object is propelled upward from a height of 112 feet at an initial velocity of 96 feet per second, then its height after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 6.0 sec B. 3.5 sec C. 11 sec D. 7 sec
Mathematics