Identify one solution for this graph

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.