Solve the problem.A local community college has 3206 students with 862 freshmen, 813 sophomores, 787 juniors, and 744 seniors. What is the relative frequency of sophomores at this college?
A. 25.4%
B. 23.2%
C. 24.5%
D. 26.9%
Answer: A
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Determine the number of terms and name the coefficients of the terms.-8w - 7t - x
A. 3; -8, 7, 1 B. 2; -8 and -7 C. 3; -8, -7, -1 D. 3; 8, -7, 1
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.(x + 4)(x - 2)(x - 7) < 0
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Solve the problem.Bubba's Computer World sells personal computers. They want to try out a new advertising campaign with x one-minute spots on local television at a cost of $275 per minute, and y one-minute spots on radio, at a cost of $220 per minute. For the first phase of the campaign, the advertising director is given a budget of no more than $55,000 to spend on a maximum of 225 minutes of advertising. Graph the possible combinations of television and radio spots and find the vertices. 
A. 
B. 
C. 
D. 
Solve by elimination.2.5x + 2y = -65.50.06x - 0.25y = 11.54
A. (-10, -40) B. (-9, 44) C. (9, -44) D. (10, -45)