Cheryl earns $25 for every house she cleans and $12 for every car she washes. She uses the expression 25x + 12y to keep track of her earnings. Part A: Identify the coefficients and variables in the expression. (2 points) Part B: How many terms are in the expression, what are they, and how do you know? (1 point) Part C: Which term in the expression shows the total earned from washing cars? (1 points) (4 points)