The hypotenuse of a 45°-45°-90° triangle measures 6 inches. what is the length of each leg?

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?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

What is always true when two whole numbers are subtracted?