I NEED HELP WITH THIS ITS WORTH 100 POINTS PLEASE HELP ME

Select the quadratic that has root x = 8 and x = -5

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.