Find the derivative using the definition of a derivative of f(x)=3-2x-x^2

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Assemble the proof by dragging tiles to the statements and reasons column

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