Explain why the triangles are similar then find the distance represented by x

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

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart