Can someone me with this question and if you know it for sure tell me the answers

The answers are C, D, and F. Coefficient is the number in front of the variable.

A is false and you don't want to mark that because there are four terms. 
B is also false, the coefficient of the first term is 2.
C is correct and mark that one, 5 is the coefficient of the second term
D is correct and you should mark it, there are four terms in that expression
E is false, the coefficient is 7 not y
F is true so mark it, the coefficient of the first term is 2

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