Which of the following is the equation of a circle centered at the origin with a radius of one unit? a)x+y=1
b)x^2+y^2=1
c)y=x^2+1
d)y=x+1

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.