This a celebration for my leveling up to ace. What is 20+20?

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.

How many terms does the polynomial x^2 y^2 have

Answer! if you don’t mind, can you explain