List the like terms of the expression.-11pq + 5pq2 - 4p2q - 7pq
A. -11pq, 5pq2, - 4p2q, - 7pq are like terms
B. There are no like terms
C. -11pq and - 7pq are like terms
D. -11pq and - 7pq are like terms
5pq2 and - 4p2q are like terms
Answer: C
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Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 
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