Question 1 2.5 Points Solve the problem. A square plywood platform has a perimeter which is 6 times the length of a side, decreased by 8. Find the length of a side. A B 2 D 6Question 5 2.5 Points Determine whether the algebraic expression is a polynomial (Yes or No). If it is a polynomial, determine the degree and state if it is a monomial, binomial, or trinomial. If it is a polynomial with more than 3 terms, identify the expression as polynomial. -10x A Yes; degree -10; monomial B No C Yes; degree 1; monomial D Yes; degree 0; monomialQuestion 14 2.5 Points Use long division to divide the polynomials. x3 . 11x2 - 16x -84 x - 2 A x2 + 13x + 42 B x2 + 13x +6 - C *3+6- x - 2 D x2 + 6x + 42