Which of the binomials below is a factor of this trinomial ? x^2 - x - 20

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)