Aused bookstore will trade 2 of its books for 3 of yours if val brings in 18 books to trade how many books can she get from the store

Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24

5(-9w) put expression in distributive property

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?