Debra purchased a prepaid phone card for $25 . long distance calls cost 11 cents a minute using this card. debra used her card only once to make a long distance call. if the remaining credit on her card is $23.35 , how many minutes did her call last?

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