Answer:


Step-by-step explanation:
step 1
Find the surface area
we know that
the surface area of a sphere is equal to

substitute

substitute the approximate value of pi (3.14)

step 2
Find the volume
The volume is equal to

substitute


Answer:for what? There is no question
Step-by-step explanation:
Work out 8% of 30000
10% of 30000 is 3000
1% of 30000 is 300
2% of 30000 is 300x2=600
Therefore 10%-2%= 3000-600=2400
It therefore follows that Mayra earned 4540 + 2400 = 6940 for January
Answer:
A
Step-by-step explanation:
Hopefully this helps!