Eight times the difference of a number and nine.

Find an equation of the line perpendicular to the graph.

What properties allow transformation to be used as a problem solving tool

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number