Which number from the replacement set {3, 6, 12} makes the equation 2x + 3 = 9 true?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?