This expression represents the average cost per game, in dollars, at a bowling alley, where n represents the number of games: 3n+7/n

What is the average cost per game if James bowls 4 games?

13.75 dollars

Step-by-step explanation:

n=4

3n+7/n =3(4) + 7/4

=12 + 1.75

=$13.75

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step-by-step explanation:

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.