Answer:

Step-by-step explanation:
Given:



(segment addition postulate)
(substitution)
Solve for x
Collect like terms
Divide both sides by -1

Plug in the value of x



Answer:
To find an answer in pi square the radius and multiply by pi
Step-by-step explanation:
To
find volume of a sphere = 4/3Πr³
Answer =17,164.2pi Am not sure but i hope its correct.
I think the answer is (7x-3)(7x+3)
Answera A
Step-by-step explanation: