2x+3y=6 what is the Solution

Solve the system of equations. y= 2x y= x^2 - 15

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review