Solve using matrices.-5x + 3y - z = -29 x + 3y - 8z = -10-3x + y + z = -15
A. (9, 5, 7)
B. No solution
C. (-9, 7, 18)
D. (9, 7, 5)
Answer: D
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A. -12 B. -5i - 5j C. -36i - 24j D. -60
Solve the problem.Write parametric equations for the tangent line to the surface 
at the point 
whose projection on the xy-plane is parallel to the y-axis.
A. 
B. 
C. 
D. 
Provide an appropriate response.In November, Steve uses his credit cards to buy $30.00 of holiday gifts each week. After 8 weeks he begins saving $30.00 each week to pay his credit card bill. Write an absolute-value function to represent the amount Steve has saved since he started buying holiday gifts. (Hint: Let purchases on credit cards represent negative savings.)
What will be an ideal response?
Identify the numerical coefficient of the term.-b
A. -1 B. 0 C. b D. 1