Add or subtract as indicated. Write the answer in simplest form.- 
- 
A. - 
B. - 1
C. 1
D. 
Answer: A
Mathematics
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Find the center of the ellipse.
+ 
= 1
A. (20, 0) B. (0, 0) C. (20, 16) D. (0, 16)
Mathematics
Solve the problem. Round rates to the nearest whole percent and dollar amounts to the nearest cent.The Oak Gallery had a clearance sale during which it sold an oak coffee table for $244. If the cost was $172 and the operating expenses were 25% of cost, find the amount of profit or loss.
A. $18.00 profit B. $18.00 loss C. $29.00 loss D. $29.00 profit
Mathematics
Find the second derivative of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the operation by applying the standard order of operations for a series of calculations.($25 + $45 + $75 + $85) ÷ 5
A. $29 B. $46 C. $41 D. $51
Mathematics