Answer:
They used 3.14 for pi:


Step-by-step explanation:
is the volume of a sphere with radius r.
I think that is the diameter given in the picture.
The radius is half the diameter.
So the radius is 5 since the diameter is 10.
Plug in this gives you:

The answer is 17040.34
Check the annuity due formula
8/20 of a minute or 2/5 of a minute
Answer:
5 units right, 2 units up
Answer:
the straight line will always equal 180 degrees.
180-125-35=20
the answer for the missing degree is 20