Perform the operations. 
A. 0
B. Undefined
C. 8
D. 1
Answer: A
Mathematics
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Solve the inequality. Express your answer using interval notation.-19 ? -2x - 5 < -11
A. [3, 7)
B. [-7, -3)
C. (3, 7]
D. (-7, -3]
Mathematics
Simplify the expression.25-3/2
A. 125
B. 
C. -125
D. - 
Mathematics
Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ?.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the domain of the function.f(x) = ln (-5 - x)
A. x > -5 B. x < -5 C. x < 5 D. x > 5
Mathematics