Answer:

Step-by-step explanation:
-A hemisphere is equivalent to half of a sphere.
- The area of a sphere is given by the formula:

-Given that r=3.6m, the hemisphere's volume can be calculated as:

Hence, the hemisphere's volume is approximately 
Answer:
B. 2000/6400
Step-by-step explanation:
Percent increase is told by the attached formula.
Plugging it in, you get 2000/6400.
Answer:
Number 4 (the one in the bottom right)
Step-by-step explanation:
Just use the distributive property
The slope intercept form is y=mx+b.