What are the factors of 45?

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?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

I’m confused on how to work the pie charts