Simplify (2xy^3)4.
8xy^12
2x^4y^12
16xy^12
16x^4y^12

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Y+ 2/y is it a polynomial in one variable or not? and if so, why?