What are all the common factors of 9,21, and 63

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 1, 2−√3

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called