Find the constant of proportionality using the graph below

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.