Can someone me ? so determine if the product of 3 sqaure root 2 and 8 square root 18 is rational or irrational. explain your answer? do not just give me the answer explain carefully and thoroughly .

What is the difference between the predicted value and the actual value

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?

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano