Find the area of this circle. Use 3.14 for pie?

Question 5 spring semester final exam math evaluate

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.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?