Solve the equation.5
=15
A. ?
B. {81}
C. {3}
D. {9}
Answer: D
Mathematics
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Find the limit.
2 sin 
A. 0 B. -1 C. 1 D. 4
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(3
- 8
)
A. 2
B. 2
C. 18
- 8
D. 20
Mathematics
Solve by completing the square.x2 - 4x - 15 = 0
A. 2 ± 
B. 2 ± 
C. 4 ± 
D. -2 ± 
Mathematics
Rewrite the inequality using interval notation. Then graph the inequality.x < 2 or x < 5
A. (-?, 2) ? (5, ?)
B. (2, ?)
C. (-?, 5)
D. (2, 5)
Mathematics