Which expression is equivalent to -6(3x- 2/3)?

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

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

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?