Find the distance on the graph

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 image of p for a dilation with center (0, 0) and scale factor 2

Measure a and b and find their sum. how are the angles related?