Answer:
1.17
Step-by-step explanation:
5-(2.18+1.65)
not completely sure but I think it's it's 13.4
2.5
Put the values in place of the corresponding variables and do the arithmetic:
ab - 0.5b = (1)(5) -0.5(5) = 5 - 2.5 = 2.5
B on the first question and A on the 2nd
