Hevesh wants make 2 lines of dominoes that are both 21 inches long. Each line has dominoes spaced 1 1/2 inches apart. How many dominoes will she need for both lines

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 slope of the line shown below?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?