Evaluate the square root.
A. 36
B. 
C. 6
D. 
Answer: D
Mathematics
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Rewrite the inequality using interval notation. Then graph the inequality.x ? 4 or x ? 5
A. (4, 5)
B. (-?, 4] ? [5, ?)
C. (-4, 5)
D. [-5, -4]
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. 1, 
- 
i, - 
- 
i
C. -1, 1
D. 1, 
+ 
i, - 
+ 
i
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. right B. obtuse C. acute D. straight
Mathematics
Use the two-stage method to solve.Maximizez = 18x1 + 12x2subject to:2x1 + 3x2 = 24 2x1 + x2 ? 45 2x1 + 3x2 ? 20 x1 ? 0, x2 ? 0
A. Maximum is 216 for x1 = 0, x2 = 8 B. Maximum is 216 for x1 = 12, x2 = 0 C. Maximum is 156 for x1 = 6, x2 = 4 D. Maximum is 186 for x1 = 9, x2 = 2
Mathematics