Y= 7x − 8
y = 5x − 2

part a: explain how you will solve the pair of equations by substitution or elimination. show all the steps and write the solution.

part b: if the two equations are graphed, at what point will the lines representing the two equations intersect? explain your answer.

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