Plzzz help asap with 4 questions will mark as brainliest

1.Which expressions are polynomials?

Select each correct answer.



A.2 + s

B.x^2−√x+2

C.y

D.4x³ + y

2.Which description is correct for the polynomial 4x² +3x +5?



A.cubic trinomial

B.cubic binomial

C.quadratic trinomial

D.quartic monomial

3.Which description is correct for the polynomial −5x^3−4x+1 ?



A.quadratic trinomial

B.cubic trinomial

C.cubic monomial

D.cubic binomial
4.What is the degree of the polynomial 3xy^2z−2z^5+2/3y^2z^4 ?



A.2

B.4

C.5

D.6