Graph the system of linear inequalities.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
Answer: C
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Solve the system by the elimination method.-7x - 52 = 9y 2x - 7y = 33
A. {(-2, -4)} B. {(-1, -4)} C. {(-1, -5)} D. ?
Solve the problem.During the first day of an epidemic 8000 people get sick, during the second day 16,000 people get sick, and so on with the number of people getting sick increasing by 8000 each day. The epidemic peaks after 30 days with 8000 fewer people getting sick on the 31st day than on the 30th day, and so forth. What is the total number of people who get sick?
A. 7,440,000 B. 6,960,000 C. 7,320,000 D. 7,200,000
Solve the problem.At $2.40 per cubic ft, how much will it cost to fill a container with dimensions of 
A. $346.80 B. $255.00 C. $408.00 D. $768.00
Perform the indicated operation or operations.
A. - 
B. 
C. - 
D. - 