Solve the system by substitution.x = 3y + 7y = x - 5
A. (-4, -1)
B. (-4, 1)
C. (4, -1)
D. (4, 1)
Answer: C
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Matt E. Matic was applying for a job. To determine whether he could handle the job, the personnel manager sent him out to poll 117 people about their favorite types of TV shows. If you were the personnel manager, why would you not hire Matt on the basis of this survey? His data were as follows: 40 preferred comedies.50 preferred variety shows.39 preferred serious drama.12 preferred comedies and variety programs.15 preferred variety and serious drama.10 preferred comedies and serious drama.10 preferred all types.7 did not like any of these TV show types. There were __________ (but not __________) polled.
What will be an ideal response?
Divide, when possible.2328 ÷ 50
A. 46 r28 B. 46 C. 49 r42 D. 49 r5
Multiply and simplify. 
? 
A. 
B. 
C. 
D. 
Use the simplex method to solve the linear programming problem.Maximizez = 4x1 + 2x2subject to:2x1 + 3x2 ? 6 x1 + 3x2 ? 4 2x1 + 2x2 ? 8withx1 ? 0, x2 ? 0
A. Maximum is 8 when x1 = 0, x2 = 2 B. Maximum is 12 when x1 = 3, x2 = 0 C. Maximum is 16 when x1 = 4, x2 = 0 D. Maximum is 6 when x1 = 0, x2 = 3