Reasoning Find the sum (3x + 9) + (- 4x + 8). combine terms with variables
(3x + 9) + (- 4x + 8) =

What is the percent of increase for a population that changed from 438,000 to 561,000

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Pranza plotted point a in the coordinate plane below.