Answer:
Option A and Option E
Step-by-step explanation:
By definition linear expressions have the following form:

where
or 
To answer the question, identify among the options the expressions that have this form:
Option A.

Where
and
and 
Option E.

Where
and
and 
Answer:
3x+2y
Step-by-step explanation:
you would count 3 to the right on the flat line, and on the line that goes straight up and down, you would count 2 going up and you would plant a dot where they meet on the graph
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D. Use FOIL and guess and check to factor the equation