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