Solve the system. 3x + z = -11 w + x + 6y - z = 73w + y + 6z = -5 w + x + 6y = 5
A. (2, -3, 6, -2)
B. (2, -9, 2, -4)
C. (2, -3, 1, -2)
D. (6, -9, 6, -6)
Answer: C
Mathematics
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Simplify, where possible.5(x + 9)
A. x + 45 B. 5x + 45 C. 45x D. 5x + 9
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Graph. Be sure to label the vertex.x = y2 + 3y + 2
A. 
B. 
C. 
D. 
Mathematics
Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Dye concentration (mg/L)
Time (sec)
A. 18.9 L/min B. 9.4 L/min C. 381.6 L/min D. 0.2 L/min
Mathematics
Provide an appropriate response.Solve for x: ax + 3 = b(x +2)
Fill in the blank(s) with the appropriate word(s).
Mathematics