Need some help please

Classify each polynomial by its degree and by its number of terms.

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the