Multiply. If the result is an improper fraction, write it as a mixed number.- 
? 
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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Evaluate the integral.
A. 144 B. 3,840 C. 960 D. 1024
Mathematics
Solve the problem.The ellipse 
+ 
= 1 is shifted down 7 units and right 7 units. Find an equation for the new ellipse and find the new vertices.
A. 
+ 
= 1; vertices: (7, -7 ± 
)
B. 
+ 
= 1; vertices: (7 ± 
, -7 )
C. 
+ 
= 1; vertices: (7, -7 ± 
)
D. 
+ 
= 1; vertices: (7 ± 
, -7 )
Mathematics
Use an Euler diagram to determine whether the argument is valid or invalid.No cheap CDs sound good.
Therefore, some CDs with red tags do not sound good.
A. valid B. invalid
Mathematics
A firm utilizes 75 percent of its plant capacity to produce the current year's sales of $3,000,000. What is the firm's full-capacity sales?
A. $12,000,000 B. $2,250,000 C. $3,000,000 D. $3,750,000 E. $4,000,000
Mathematics