Each week, Allen earns $70 for every shift he works at the diner and $12 for every dog-walking job. He uses the expression 70x+12y to keep track of his earnings.

Part A:Identify the coefficients and the variables in the expression.

Part B:How many terms are in the expression, what are they, and how do you know?

Part C:Which term in the expression shoes the total earned from the diner?