I NEED HELP ON THIS PLZZZ HELPP

How many solutions does the nonlinear system of equations graphed bellow have?

Find the area of the triangle shown 3 by 6

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.