Write a matrix equation equivalent to the system of equations.10x - 11y + 8z = 11 10y - 8z = 10
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
Mathematics
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Solve the equation by clearing the coefficient.-18 = -6y
A. y = 2 B. y = -12 C. y = 3 D. y = 12
Mathematics
Find the length of the line segment.
A. 3
B. 3
C. 27
D. 27
Mathematics
Sketch the graph of the power function by hand, using a calculator only to evaluate y-values for your chosen x-values. On the same axes, graph y = x2 using a dotted line for comparison. In each case, x ? 0.f(x) = x1.02
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression 
and write the result in simplest form.
A. 
B. 
C. 
D. 
E. 
Mathematics