Solve the problem.Determine whether (4, -4, -1) is a solution of the system3x + 4y + z = -52x - 3y - z = 214x + y + 3z = 9
A. Yes
B. No
Answer: A
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Determine the value of x or ? as requested. Round results to an appropriate number of significant digits.Determine the value of x.
A. 22.7 m B. 4.9 m C. 11.8 m D. 9.3 m
Use the data shown in the scatter plot to determine whether the data should be modeled by a linear function.
A. Yes, approximately linear B. Yes, exactly linear C. No, data points do not lie close to a line
Solve the problem.Sketch a graph that depicts the amount of water in a 50-gallon tank. The tank is initially full, And then a pump is used to take water out of the tank at a rate of 5 gallons per minute. This pump is turned off after 6 minutes and at that same time a different pump is turned on. This second pump puts water into the tank at a rate of 4 gallons per minute for 4 minutes.
A. 
B. 
C. 
D. 
Find an equation for the line with the given properties.Perpendicular to the line 9x - 8y = -17; containing the point (-9, 8)
A. 9x + 8 = 9 B. 8x - 9y = 0 C. 8x + 9y = 0 D. -9x + 8y = -17