Question 1 (essay worth 10 points) (01.02 mc) elsa knows that for every bushel of apples she sells she earns $9 and for every basket of pears she earns $11. she uses the expression 9a + 11p to keep track of her 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 selling baskets of pears?