a. Not equal. 2n is 2 x n, which is different from 2 + n.

b. It is only equal when n=0.

c. Not equal. Multiplying n by 2 before adding 2 to the answer is different from adding 2 to n before multiplying it by 2.

d. It is only equal when n=0.

__Patterns in table__

In G and H, G multiplied by 2 will give you H. The same can be said for A and B/F&G.

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