Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate.2(x - y - z) and 2x - 2y - 2z when 
and 
A. -16, -2 B. 0, 0 C. 0, -18 D. -18, -18
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 6 cos ?
A. 18? B. 36? C. 12? D. 9?
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A partial payment is made on the date(s) indicated. Use the United States Rule to determine the balance due on the note at the date of maturity. (The Effective Date is the date the note was written.) Assume the year is not a leap year. 
A. $255.45 B. $255.70 C. $251.74 D. $245.67
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Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y is inversely proportional to x. When x = 
, then y = 10.
A. k = 5; y = 
B. k = 5; y = 
C. k = 
; y = 
x
D. k = 
; y = 
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