A seesaw with the construction shown is being built at a playground. The seating board will be 8 feet long and the board will make an angle at 25 degrees when it touches the ground. Create and use a model to find the height of the central support (cr).Type out your work and explain your answer. Round your answer to the nearest tenth.

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