The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (86, -34, 9)
B. (71, -34, 9)
C. (88, -35, 9)
D. Inconsistent
Answer: A
Mathematics
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Multiply.
A. 508 B. 408 C. 368 D. 374
Mathematics
Provide an appropriate response.Simplify: 
÷ 
What will be an ideal response?
Mathematics
Solve the problem.The following table shows the number of housing starts in a beachside community in various years. Let f(t) be the number of housing starts at t years since 2009. Use a graphing calculator to draw a scatterplot. Find and verify an equation of f.
A. f(t) = 2.679t2 + 26.607t + 168.571 B. f(t) = -2.679t2 + 26.607t - 168.571 C. f(t) = -2.679t2 - 26.607t + 168.571 D. f(t) = -2.679t2 + 26.607t + 168.571
Mathematics
Multiply and simplify.
? 
A. 
B. y + 6
C. 
D. 
Mathematics