Answer:
the greatest common factor is 3
The slope of the line is +2
this means that Jan runs 2 laps every 1 minute
3, assuming 2x2 is 2x squared, u will get
4 + 6x3 - 10x2
So 3 terms
To find the final cost you multiply 35.80 x .07 and you get 2.506 but since its money you round it to $2.51. $2.51 is your sales tax and now you need to add it to the cost of the shirt so 35.80+2.51= $38.31
would be equal 
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