Shaq painted 600 portraits in 8 hours at that rate how many portraits would he paint in 4 minutes?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Is this a polynomial function? i need to know asap