Suppose Lisa could be assigned more than 50 hours. What effect would this have on the optimal solution

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?

How do you find the circumfrance of a circle?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.