Step-by-step explanation:
<u>Formula:</u>

r represents the radius.
The radius is 1/2 of the diameter.
Since 1/2 of 16 is 8, 8 is our radius.
<u>Substitute:</u>

<u>Solve:</u>


Answer:
Data set 1
Step-by-step explanation:
Because for every x there is only one y
I believe the answer is b and e
1 hundred, 8 tens, and 2 ones