HELP PLEASE WHATS THE ANSWER

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

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

This is about circle theorems. someone asap : (