Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 2, y = 1, z = 4; (2, 1, 4)
B. x = 1, y = 2, z = 4; (1, 2, 4)
C. x = 2, y = 4, z = 1; (2, 4, 1)
D. x = 1, y = 4, z = 2; (1, 4, 2)
Answer: D
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Solve the problem.The total cost of owning and operating a mini-van when you have driven 6000 miles is 
while the total cost when you have driven 10,000 miles is 
. Find and interpret the slope of the line connecting the points (6000, 2000) and (10,000, 3333.33).
A. The cost decreases $12 per mile. B. The cost increases $0.33 per mile. C. The cost decreases $3.00 per mile. D. The cost increases $12 per mile.
Decide whether the statement makes sense. Explain your reasoning.In an election there were four candidates - Karine, Dave, Rajan, and Amy. Karine won fewer votes than Dave or Rajan, yet in a sequential runoff, she won the election.
What will be an ideal response?
Solve the equation.-1(h - 20) = -1
A. -19 B. 21 C. -21 D. 19
Find the vertical asymptote(s) of the graph of the given function. f(x) = 
A. y = 3, y = -3 B. x = 3, x = -3 C. x = 3 D. x = 11