Evaluate.50
A. -1
B. 0
C. 1
D. 5
Answer: C
Mathematics
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Use half-angle identities to find the exact value of the expression.sin 
A. 
B. 
C. 
D. 
Mathematics
Evaluate.y9 when y = 1
A. 1 B. 0 C. -1 D. 9
Mathematics
Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.11 ? 2x + 3 ? 17
A. (4, 7)
B. [-7, -4]
C. [4, 7]
D. (-7, -4)
Mathematics
Factor out a factor with a negative coefficient.-2x2 + 4x - 56
A. 2(x2 - 2x + 28) B. -2(x2 - 2x + 28) C. 2(-x2 - 2x + 28) D. -2(-x2 - 2x + 28)
Mathematics