Solve the problem.The driver of a car traveling at 48 ft/sec suddenly applies the brakes. The position of the car is 
t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?
A. 24 sec
B. 48 sec
C. 8 sec
D. 16 sec
Answer: C
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Solve the problem.Southwest Dry Cleaners believes that it will need new equipment in 5 years. The equipment will cost $26,000. What lump sum should be invested today at 2% compounded semiannually, to yield $26,000?
A. $23,537.46 B. $24,795.34 C. $25,295.61 D. $24,733.51
Determine the rectangular equation of the curve whose parametric equations are given.x = 7 cos t, y = 7 sin t; 0 ? t ? 2?
A. x2 + y2 = 7; -7 ? x ?7 B. x2 - y2 = 7; -7 ? x ?7 C. x2 - y2 = 49; -7 ? x ?7 D. x2 + y2 = 49; -7 ? x ?7
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 12 p.m. to 1 p.m. B. 1 p.m. to 2 p.m. C. 9 a.m. to 10 a.m. D. 10 a.m. to 11 a.m.
Find the quadrant in which the given angle lies. ? -128° 50' ?
A. Quadrant III B. Quadrant I C. Quadrant IV D. Quadrant II E. None of the above