Find the volume of a cone that has a 2 in. radius and a height of 6 in.

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Math each whole number with a rational,exponential expression

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3