6x + 3y + z = 21
y = 7x + 8z - 29
-6y - 8z = 6

17 in long 1.3 ft wide and 8in high what is the volume

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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