List the like terms of the expression.-10xy + 5xy2 - 3x2y - 7xy2 + xy
A. -10xy and xy are like terms
5xy2, - 3x2y, and - 7xy2 are like terms
B. -10xy and xy are like terms
5xy2 and - 7xy2 are like terms
C. 5xy2 and - 7xy2 are like terms
D. -10xy and xy are like terms
Answer: B
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Set up the percent proportion for the application problem. Do not try to solve for any unknowns.A team won 10 of the 20 games it played. What percent of its games did it win?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the system of equations using elimination.
A. x = 3, y = 0; x = 3, y = 3 B. x = 3, y = 0; x = -3, y = 0 C. x = 3, y = 3; x = -3, y = 3 D. x = -3, y = 0; x = -3, y = 3
Identify the group of terms as like or unlike.2m, 8m
A. Like B. Unlike
The following comparison line graph indicates the number of vehicles sold for a seven week period by two different salespeople. Use the graph to answer the question.
How many more vehicles did Chris sell in the first week than did Pat sell in the second week?
A. 5 vehicles B. 3 vehicles C. 2 vehicles D. 4 vehicles