Answer:

Step-by-step explanation:
We are given: 
So, the integral will be used to calculate the volume.

Answer:
Definition of Midpoint
Step-by-step explanation:
Since T is the midpoint then it is equadistant from R to T and T to S
16= 6 ones or 16 ones
817= 8 hundreds and 7 ones or 17 ones
Hope this helps! :D