Add or subtract.
- 
A. - 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh B. 2?r2h C. ?rh2 D. ?r2h
Mathematics
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At the local convenience store, 6 bags of chips and 3 containers of dip cost $30. However, 7 bags of chips and 5 containers of dip cost $41. What is the cost of one bag of chips and one container of dip?
A. chips = $5; dip = $5 B. chips = $4; dip = $3 C. chips = $3; dip = $4 D. chips = $3.50; dip = $3.50
Mathematics
Find the root if it is a real number.
A. 
B. 
C. 
D. 3
Mathematics