Can someone help me with this?

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

What is the sum of the first 8 terms of the geometric series

What is the value of the discrimination for the quadratic equation 0=×2+2+×2