First you need to pick a number for y. Lets say you pick 0
Then you need to +3 to each side
Then you can say 3=x+2 or -3=x+2.
To find x you need to subtract 2.
You answer would be (1,3) and (-5.-3)
B.
You would first have to add 9 to each side so that the equation equaled 0. Then you could pull these numbers.
Answer: 3053.63
To get this you have 4/3 times pie times r3
