Abag contains 4 blue balls, 7 yellow balls and 4 white balls. event a is defined as drawing a blue ball on the first draw and event b is defined as
drawing a white ball on the second draw. if two balls are drawn from the bag, one after the other and not replaced,
what is p(b|a) expressed in simplest form?

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?