Who else hates math because I do

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Use the distributive law to multiply. 3(4x + 5y + 6)

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