Please help me with this

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

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?

Evaluate the expression. (9 + 5)(3 + 2)0