Ugh i'm doing negative 2 step equations right now and i fell asleep in class anyway i need the following but you don't have to do all of them lol -7w+5=16 w=? 15+v/5=12 v=? (4/5)c-4=-10 c=? -18=-27+f/3 f=? 0=18-5w w=? 7+3(2y-4)=-10 y=? 8n+5-2(n-4 n=? -7=4-7(3-+5) v=? you so much

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