Three-quarters of the boats in the marina are white, of the remaining boats are blue, and the rest are red. If there are 9 red boats, how many boats are in the marina?

(Solve and show your thinking with a tape diagram)

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

Find the domain of the following expression: 1/(√x)-2

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.