Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $\left(2/3\right)t^6+\left(3/t^5\right)+1$

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. (3/8)x⁵-(1/x²)+9

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $15a^2{b}^3+12a^3{b}^8-13b^5+12b^6$

Perform the indicated operations. (10m⁴-4m²)/2m

Find each product. [(4y-1)+z]²

Find each product. (3w+2)(-w²+4w-3)

Find each product. (2z-1)(-z²+3z-4)

Find each product. $2b^3(b^2-4b+3)$