What expression is equivalent to 5(3-2n)+12n ?
break it down

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

Write the pair of fractions as a pair of fractions with a common denominator

Ineed with math stuff it involves graphs