Find the determinant of the given matrix.
A. -20
B. -116
C. 644
D. 20
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 7csc x, y = 0, x = 
, x = 
A. 147? B. 98? C. 14? D. 49?
Mathematics
Simplify and add or subtract wherever possible.21
- 9
A. 60
B. 30
C. 12
D. 12
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 6 
- 6
+ 4 
+ 4
A. 10 
- 2
B. 10 
- 2
C. 8
D. 10 
- 2
Mathematics
Rewrite the rational expressions as equivalent expressions with the LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics