On the number line, plot and label all number with an absolute value of 3/ 2

How do you find the area of a triangle

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?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!