Answer:

Step-by-step explanation:
Let's use a start by using common denominators.
and 
Now, replace the original equation with the common denominators. 
Solve! 
Hey!
The formula for finding volume of a cylinder is: π · r² · h


Now multiply

<em>Your answer is B)192π units³</em>
Good luck and hope this helps! :)
Answer:
20
Step-by-step explanation:
you've got to do the inside parenthesis first then multiple with 3 and finally add 8
Answer:(-2,0) and (3,0)
Step-by-step explanation:im not sure if its correct but it should be