Is 0.9 gram of crystal meth illegal in oregan (100 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?

Use sigma notation to represent the following series for 9 terms.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal