The answer is because you have to use what you have to subr35x+50y
Answer:
21. 
22. 87.92
Step-by-step explanation:
21. The quotient means division is going to happen between -s and 15. And then take the square root of that.

22. The equation for the volume of a cylinder is this:

The question gives you values for r, and h, so just substitute those values into the equation.
Here is the work:

They told us to use 3.14 for pi, so i will substitute pi with 3.14

Answer:
A segment which ends points on a circle is a Chord.
The answer would be A. I just did this yesterday. Do you want the steps?
The answer is -1280
hope this helps