Find the slope of the polar curve at the indicated point.r = -4 cos ? - 6 sin ?, ? = 
A. - 
B. 
C. - 
D. 
Answer: B
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Solve the problem.In the game of Yahtzee, a set of five dice is rolled at once, and the number on each die is observed. What is the size N of the sample space?
A. 56
B. 6!
C. 
D. 65
E. none of these
Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 
x
A. 
B. - 
C. - 
D. 
Two planes take off at the same time from an airport. The first plane is flying at 260 miles per hour on a bearing of S 
E. The second plane is flying in the direction S W at 265 miles per hour. If there are no wind currents blowing, how far apart are they after 3 hours? What is the
bearing of the second plane from the first after 3 hours?
?
A. 1,114 miles, S 
W
B. 1,260 miles, N 
W
C. 1,114 miles, N 
W
D. 1,260 miles, N 
W
E. 1,317 miles, S 
W
Find all points where the function is discontinuous.
A. x = -2, x = 6 B. x = -2 C. None D. x = 6