Well any number you add can be irrational need more information.
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:

Answer:
yes
Step-by-step explanation:
Answer:
the height of the triangle is 47 inches
Answer:
27
Step-by-step explanation:
5 x (8 - 3) +2
5 x (5) + 2
25 + 2
27
Hope that helps!