Easy 7th grade math , solve all problems in the picture. I’ll give brainliest

When only separate discreet points are graphed it is called?

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

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.