***20 points***
determine whether each expression is a polynomial. if it is a polynomial, find the degree and determine whether it is a monomial, binomial, or trinomial.

7a^2b + 3b^2

Write the pair of fractions as a pair of fractions with a common denominator

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking

Select all of the categories that apply for the figure below. quadrilateral, trapezoid, parallelogram, rhombus, rectangle, square