Answer:I would add 3x on both sides because it would allow you to have a positive variable saving you time and effort.
Step-by-step explanation:7=7x-9
So you would put 9 in for both of the D’s . Which would be 3(9) + 9^2. You will simply it and it’ll be 27+81 which is 108. THE ANSWER IS 108
Answer:
the most closest answer is D because the formula is 3.14 x radius² x height
Step-by-step explanation:
if its right can I have brainliest