Express the sum or difference as a product of sines and/or cosines.sin (6?) - sin (4?)
A. 2 sin (5?) cos ?
B. -2 sin ? cos (5?)
C. 2 sin ? cos (5?)
D. -2 sin (5?) cos ?
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by the triangle with vertices (3, 0), (3, 2), (5, 2)
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Add. Write your answer in lowest terms.
A. 
B. 1
C. 2
D. 2
Mathematics
Solve using elimination.
A. x = 
, y = ; x = -
, y =
; x = ,
, y = - 
; x = - 
, y = - 
or (
, 
), (- 
, 
), (
, - 
), (- 
, - 
)
B. x = - 
, y = 
; x = - 
, y = - 
or (- 
, 
), (- 
, - 
)
C. x = 
, y = 
; x = - 
, y = 
; x = ,
, y = - 
; x = - 
, y = - 
or (
, 
), (- 
, 
), (
, - 
), (- 
, - 
)
D. x = 
, y = 
; x = ,
, y = - 
;
or (
, 
), (
, - 
)
Mathematics
Solve the quadratic equation by the square root property.(3x - 9)2 = 8
A. 
B. 
C. {-2
, 2
}
D. 
Mathematics