To build the base, he needs to cut a 8.5 foot plank into 4 equal pieces. how long will each piece be?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.