Kelly is saving money for college. In 4 week (x) she had saved $2300 (y). It took her 7 weeks to have $2975 saved . 1)What is the slope :

2)The y-intercept is equal to :

3)In 10 week kelly will have :

4)It will take :

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.