Multiply each of "2x" and "-1" by 3 in turn: 6x - 3 (answer)
Answer:

Step-by-step explanation:
Given


Required
The volume of the sphere
This is calculated as:

So, we have:


This gives:


Answer:
$164 refund
Step-by-step explanation:
2900 x .24= $686 withheld
2900 x .18= $522 actually owed
686-522= $164
Answer:
178/7
Step-by-step explanation:
4x-7+3x+9=180
4x+3x-7+9=180
7x-7+9=180
7x+2=180
7x=180-2
7x=178
x=178/7
Answer:
Hepatitis C.
Step-by-step explanation: