PLEASE HELP

What is the slope of this line?
3/4
4
-3/4
-3

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the reflection image of (5,-3) across the line y = -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