Khảo sát tính chỉnh hình của hàm số f(z)=()

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

W-16=-12 solve each one step equation plz