Will give brainliest! number 4 it’s the pythagorean theorem

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.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Which of the following is not a subset of {1,2,3}?