Four times a number, decreased by eight equals twelve. what is the number?

What is the size of the matrix resulting from

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.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression