summercoleman02 summercoleman02 21-01-2020 Mathematics contestada Which algebraic expressions are polynomials? Check all that apply. 2x3 – StartFraction 1 Over x EndFraction x3y – 3x2 + 6x y2 + 5y – StartRoot 3 EndRoot 2 – StartRoot 4 x EndRoot –xStartRoot 6 EndRoot –one-thirdx3 – one-halfx2 + one-quarter