Can someone plz help me on this I’ll mark brainless ( don’t k how to spell it but u know what I mean) plz

Solve for x, y, and z. show all steps.

Factor this polynomial completely x^2-64

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?