Please I need help:(

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

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Find the distance between the point (-3,-4), and (see the picture below)