A spelunkers starts his journey at -500 feet and ends up at -100 feet. What is his change in elevation?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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