\#17 and 18 only/ ty for helping don’t use for points

What is the prime factorization of 230

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?

When you find the area of a triangle do you use in. or in2