Find the exact value of the expression.sin 165°
A. -
(
+ 1)
B. 
C. - 
D. -
(
- 1)
Answer: B
Mathematics
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Solve.3x2 - 4y2 = -523x2 + 3y2 = 60
A. (2, 4), (4, 2), (-2, -4), (-4, -2) B. (2, -4), (2, 4) C. (-2, -4), (-4, -2) D. (2, 4), (-2, 4), (2, -4), (-2, -4)
Mathematics
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. closed interval; {x|5 ? x ? 8}; [5, 8] B. open interval; {x|5 < x < 8}; (5, 8) C. half-open interval; {x|5 < x ? 8}; (5, 8] D. half-open interval; {x|5 ? x < 8}; [5, 8)
Mathematics
Simplify.
A. 
B. - 
C. - 
D. - 
Mathematics
Factor out the greatest common factor.5(x + 4)2 + 3(x + 4)4
A. (x + 4)2(3x2 + 53) B. (x + 4)2(3x2 + 24x + 53) C. 8(x + 4) D. 8(x + 4)2
Mathematics