Abag contains 6 blue marbles, 10 red marbles, and 9 green marbles. if two marbles are drawn at random without replacement, what is the probability that two red marbles are drawn?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons