Answer:
b=(-10-a)/4
First factor out the common number:3
Then divide both sides by 3
Then simplify 30/3 to 10
Then subtract a to get your answer
Answer: The answer is the 4th option
Step-by-step explanation: Hope this helps!
To find a volume of a cylinder we use the following formula:

Plug in the values:

Take the square:

Multiply the numbers:
5.7 is 5 7/10 and it cannot be simplified