Each week, Alfonso earns $85 for every shift he works at the theater and $15 for every dog-walking job. He uses the expression 85x + 15y to keep track of his earnings.

Part A: Identify the coefficients and 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 shows the total earned from the dog-walking jobs?​