Ax^2 + bx + c is a quadratic trinomial. Therefore, ur expression is a quadratic trinomial......it is a trinomial because it has 3 terms.....quadratic means the highest exponent is 2.
I believe that’s it .... i’m so so sorry if it’s not
Perimeter: 9+9+8+8= 34 ft.
Area: 9*8= 72 ft²