Qual e a resposta dessa??​

How do you summarize data in a two-way frequency table?

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?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)