At 6 p.m., the temperature in Phoenix AZ, t is the same as the temperature in Tucson,
AZ.By 9 pm the temperature in phoenix has dropped 2 degrees and in tucson it has dropped 4 degrees .By 11 pm the temperature in Phoenix has dropped another 3 degrees
A. Represent each city 's temperature at 11 pm with an algebraic expression and abar model
B are the expressions that represent temperature in the two cities equivalent ? Justify your answer