A marble is selected at random from a jar containing 4 red marbles, 5 yellow
marbles, and 3 green marbles. What is the probability that the marble is red?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Which two undefined geometric terms always describe figures with no beginning or end?

The balance of susu's savings account can be represented by the variable b. the inequality describing her balance b > $30 . which could be a solution to the inequality?