Using interval notation, write the set.{x| x ? -2}
A. (-2, ?)
B. [-2, ?)
C. (-2, ?]
D. [-2, ?]
Answer: B
Mathematics
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Write the standard equation for the circle.Center at 
, radius 
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Mathematics
Solve the problem.The difference between two positive integers is 30. One integer is three times as great as the other. Find the integers.
A. 15 and 30 B. 30 and 45 C. 15 and 45 D. 45 and 75
Mathematics
Factor the polynomial completely.6z2 - 21z - 12
A. 3(2z - 1)(z + 4) B. 3(2z + 1)(z - 4) C. 3(2z - 4)(z + 1) D. (6z - 3)(z + 4)
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 
Mathematics