Answer:

Step-by-step explanation:
The volume of a sphere can be determined by using the following formula:



Answer:
2.4
Step-by-step explanation:
Answer:
n + 6.2
Step-by-step explanation:
Increased here means addition, addition of 6.2 with the number n.
Answer:
a-3b+4
Step-by-step explanation:
1/2 (2a−6b+8) =
=1/2*2a-1/2*6b+1/2*8
=a-3b+4