Maybe you should contact your teacher
9(x^2 -16y^2) that is the answer
Answer:
33-21=9
Step-by-step explanation:
1.8 lbs of ham at 3.95 per lb : (1.8 * 3.95) = 7.11
2.15 lbs onions at 0.89 per lb : (2.15 * 0.89) = 1.91
8 cans at 1.05 per can : (8 * 1.05) = 8.40
7.11 + 1.91 + 8.40 = 17.42 <=== total cost without tax
