Find the sum, if it exists.
A. 
B. 
C. 
D. Does not exist
Answer: C
Mathematics
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Write the equation of the line that passes through the point P(0,0) and is perpendicular to the line 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the indicated quantity.a4, when a41 = 
, a14 = 
A. 3
B. 
C. 
D. 6
Mathematics
Use a graphing utility to graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Solve.The temperature at 5:00 was -7°C. Four hours later, it was -15°C. What was the change in temperature?
A. 8°C B. 22°C C. -22°C D. -8°C
Mathematics