Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
, where x is the time in months, with 
corresponding to January, 
, and 
Determine the month with the least sales and give the sales in that month.
A. June; $3800
B. March; $12,200
C. September; $4600
D. December; $8400
Answer: C
Mathematics
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Find all numbers for which the rational expression is not defined.
A. None B. d = 9, 6 C. d = 9 D. d = -9
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Decompose into partial fractions.
A. 
- 
B. 
+ 
C. 
- 
D. 
- 
Mathematics
Find the interest rate for each deposit and compound amount.$8000 accumulating to $11,102.76, compounded quarterly for 6 years.
A. 5.75% B. 5.5% C. 6% D. 5%
Mathematics
Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 7, 
= 15, ? = 30°
Find 
A. -159.9 B. 21.4 C. 9.6 D. 16.6
Mathematics