Afootball player weighed 170 2/3 pounds in may. during the summer, he gained 25 5/12 pounds. during the first week of fall practice, he lost 10 1/4 pounds, and during the second week, he lost another 3 1/2 pounds. how much did he weigh at that point?

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