Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Answer: B
Mathematics
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Solve the problem.Suppose that a sales person observes that if an item is priced at $7 per item then 5 items are sold. If 3 items are sold for $9 per item then find an equation to model the number y of items sold for x dollars per item.
A. y = x - 2 B. y = -x + 12 C. y = x + 12 D. y = -x - 2
Mathematics
Plot the given polar coordinate point in the polar coordinate system.
A. 
B. 
C. 
D. 
Mathematics
Find the center and radius of the circle.(x + 7)2 + (y + 6)2 = 81
A. (-6, -7); 81 B. (7, 6); 9 C. (-7, -6); 9 D. (6, 7); 81
Mathematics
Add and, if possible, simplify.
+ 
A. 
B.
 ? |
C.
D.
Mathematics