Solve the equation or inequality.
? 0
A. ?
B. (-?, 3) ? (3, ?)
C. [3, -3]
D. (-?, ?)
Answer: D
Mathematics
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Mathematics
Evaluate.a2 - 2abc - c2 for a = -9, b = 4, and c = 8
A. 593 B. 431 C. -559 D. 721
Mathematics
Solve the problem.The number of people present at a stadium for a big rock concert can be estimated with the following function: 
where y is the number of people present and x is the amount of time after 
on the day of the concert. Predict the number of people present at 
A. 35,565 people B. 52,865 people C. 37,739 people D. 35,564 people
Mathematics
Decide if the statement is true or false.-(-29) < -1
A. True B. False
Mathematics