G(x)=x^2+5x-14 what are the zeros of the function

Triangle xyz has vertices x(1,3), y(0,0)

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Solve this problem! extra ! 3025/5.5 = a/90.75