Which of the following is not true?
?
A. ?An Obtuse angle has a measure in the interval: 0? < ? <180?.
B. ?An Obtuse angle has a measure in the interval: 90? < ? < 180?.
C. ?An Acute angle has an angle more than 0? and less than 90?.
D. ?ATriangle is a closed figure using the fewest number of straight sides.
E. ?ATriangle has exactly three interior angles.
Answer: A
Mathematics
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= csc x, y(2) = -9
A. y = 
- 9
B. y = 
+ 2
C. y = -
- 9
D. y = 
- 9
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
> 0
A. 
B. (-?, 0)
C. 
D. 
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Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 
D. 
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
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