Describe a real life patterns one thats linear and none linear how do i right this down in a sentens

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.