What is the result of Greece's geography including many mountains, peninsulas, and off-shore islands

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 solving the solution of each system using elimination?

Which graph represents the equation y =4x