San9f3ellaseuaanonar San9f3ellaseuaanonar 29-10-2016 English contestada Cory earns $20 for every lawn he mows and $9 for every hedge he trims. He uses the expression 20x + 9y 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 trimming hedges?