What do i put in the missing number box?

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 effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

How many grams the dog will eat in 3 days?