If pa = 6, pd = 4 and pe = 4. find be

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

What is negative 3/9 times negative 2/8 ?

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school