Y = -2/3x + 3 I'm supposed to graph this, what am i supposed to do.

Y=4x^2+x-1 solve using quadratic formula

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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.