Evaluate each expression. 9(3) - 4^2

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

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

5x−4≥12 or 12x+5≤−4 can you with this problem