Solve the system of equations.5x + 3y - z = 0-4x + 5y + 2z = 05x - 5y + 4z = 0
A. 
B. ?
C. {(0, 0, 0)}
D. 
Answer: C
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Solve the problem. Round to the nearest cent or tenth of a percent.Cost = $9.05; markup rate of 28.3% based on the selling. Find the markup and the selling price.
A. Markup = $2.56 Selling price = $11.61 B. Markup = $2.56 Selling price = $6.49 C. Markup = $3.57 Selling price = $5.48 D. Markup = $3.57 Selling price = $12.62
Write the expression as one logarithm.log4 22 - log4 13
A. log4 
B. log4 9
C. log4 
D. log8 
Solve the problem.Gina is buying a used car that has an advertised price of 
She is buying the car on credit and must make a down payment of 
and 36 monthly payments of 
What is the total cost of the car?
A. $4822 B. $4032 C. $4132 D. $4832
Provide an appropriate response.Which of the following items is undefined and why?tan-1 7 or cos-1 7
What will be an ideal response?