Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-4x - 3y - z = -35 x - 6y + 6z = -28-8x + y + z = -5
A. (-2, 8, 4)
B. (2, 3, 8)
C. (2, 8, 3)
D. No solution
Answer: C
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Solve the problem.The chart represents the amount of fuel consumed by a machine used in manufacturing. The machine is turned on at the beginning of the day, takes a certain amount of time to reach its full power (the point at which it uses the most fuel per hour), runs for a certain number of hours, and is shut off at the end of the work day. The fuel usage per hour of the machine is represented by a periodic function. What is the period in hours of this function?
A. Period = 7 hours B. Period = 125 hours C. Period = 4 hours D. Period = 14 hours
Provide an appropriate response.Is it true that the product of two binomials (-9x + 5)(-9x + 5) is equal to 
A. True B. False
Solve by separating the two absolute values into equal and opposite cases.
= 
A. 
B. 
C. 
D. ?
Factor completely. If the polynomial cannot be factored, say it is prime.(x + 5)2 - 16
A. x2 + 10x + 9 B. (x + 9)(x + 1) C. (x + 21)(x - 11) D. (x - 1)(x - 9)