Please help with domain and range 10 points

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 i have no idea how to do a and b

New york is the 27th largest state in the united states.what percent of the 50 states in the us are larger than new york