Plz helppp me I will be giving brainliest and I don't understand

Which value of c would make he following expression completely factored? 8x+cy

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?