Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution. x - y + 5z = -14x + z = 0 x + 4y + z = 4
A. {(0, 1, 0)}
B. {(0, 0, 1)}
C. {(0, 1, -1)}
D. ?
Answer: A
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A. y = -5x - 6
B. y = - 
x - 6
C. y = 5x - 6
D. y = - 
x - 5
A firm's financial breakeven point is defined as the operating income (NOI) at which its _____ is(are) equal to zero.
A. earnings before interest and taxes (EBIT) B. sales C. earnings per share (EPS) D. fixed financial costs E. gross profit
Solve the problem.The difference between the tuition at State University and Highbrow College is less than $900. The tuition at Highbrow is $5000. Express this as an absolute value inequality. Use "x" for the tuition of State University.
A. x < 
B. 
< 5000
C. x > 5000 - 
D. 
< 900
Solve the problem.A car rental company charges $32 per day to rent a particular type of car and $0.19 per mile. Juan is charged $48.91 for a 
rental. How many miles did he drive?
A. 225 mi B. 104 mi C. 257 mi D. 89 mi