Plzzz help to solve the questions

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Select all the expressions that will include a remainder.

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.