Explain why log3 8 cannot be simplified to an integer value

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;

Which is the completely factored from of xy^3-x^3y

Which table represents a linear function? i'll give brainliest to first answer ^'^