Solve the problem.After one round in a card game, your score was 34 points. After the second round, your score was -15 points. How many points did you score in the second round?
A. 19 points
B. -49 points
C. 15 points
D. -19 points
Answer: B
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Find the area of the region specified in polar coordinates.The region inside 
and outside 
A. 25
B. 25
C. 25
D. 25
Solve the absolute value inequality. Write your answer in interval notation.|6k - 5| - 1 < 5
A. 
B. 
C. 
D. 
? 
Solve the problem.Newton's Law of Cooling states that the rate of change of temperature of an object is proportional to the difference in temperature between the object and the surrounding medium. Thus, if T is the temperature of the object after t hours and T0 is the (constant) temperature of the surrounding medium, then
where k is a constant. Assume that the temperature of a body at death is 98.6°F, the temperature of the surrounding air is 53°F, and at the end of one hour the body temperature is 89°F. Use Newton's Law of Cooling to determine the number of hours that have elapsed when the temperature of the body is 75°F.
A. 5.4 hours B. 4.3 hours C. 3.9 hours D. 3.1 hours
Graph the system of linear inequalities.x - 2y ? 2x + y ? 0
A. 
B. 
C. 
D. 