Please help It's due to tm! NO LINK

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

Solve the system of equations. y= 2x y= x^2 - 15

X-intercept=-5 y-intercept=2 the equation of the line is