2 - (-1/8) + -7/4 pls

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.

Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked

If a=0.333333 and b=0.55555, what is the value of a+b