Answer the following question and will mark Brainliest

Find the solutions for a triangle with a =16, c =12, and b = 63º

Find the roots of the equation below. x^2 - 6 + 9 = 0

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