Which of these expressions is not equivalent to the others? (3n -n) +9
(3n+7) - 6 - n+ 4
(3 n - n) + (7 - 6 + 4)
2 n+5

The graph shows the rate at which paint is used to paint a wall.enter values to complete each statement below based on the graph.when 1 gallon of paint has been used, ( # ) square feet of the wall will be painted.the unit rate is ( # )square feet per gallon.

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Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )