PLEASE I NEED HELP! Doesn’t matter how many of which ones you answer. I just need then to get answered.

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

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?