Convert the rectangular equation to polar form.8x - 5y + 1 = 0
A. r = - 
B. 8 cos ? - 5 sin ? = -1
C. r = - 
D. 8 cos ? - 5 sin ? = 1
Answer: C
Mathematics
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A. 1 B. 0 C. Undefined D. 50
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Simplify the expression. Assume that variables represent nonzero numbers.
2
A. 
B. 
C. 
D. 
Mathematics
Find all solutions of 2sin x -  figure 1.png)
= 0.
 figure 2.png)
Mathematics
Select five cards without replacement from a standard deck of 52, and let X be the number of red cards you draw. Calculate the expected value of the given random variable X.
?
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Fill in the blank(s) with the appropriate word(s).
Mathematics