Which pair of expressions is equivalent using the associative property of multiplication?

6(4a ⋅ 2) = 24a ⋅ 12

6(4a ⋅ 2) = (4a ⋅ 2) ⋅ 6

6(4a ⋅ 2) = 6 ⋅ 4a ⋅ 2

6(4a ⋅ 2) = (6 ⋅ 4a) ⋅ 2

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

I'm terrible at math any here is appreciated.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)