I don’t know I think someone else is gonna help u
Answer:
in order:
9, 3, 1, -1, -7
Step-by-step explanation:
4^3
you can write it like 4 × 4 × 4
you can also call it "Four to the Third power".
Answer: 17
Step-by-step explanation: ok so first to find the mean you add all the numbers then divide by how many numbers there is so basically 18 plus 15 plus 20 plus 15 then divide by 4 because there is 4 numbers and once you do that it is 17
Answer:
2x−5y=12
y = 2/5x + −12/5
Answer is x = 5/2y + 6 because....
First, Add 5y to both sides.
2x − 5y + 5y = 12 + 5y
Then, Divide both sides by 2.

Therefor, your answer is going to be x = 5/2y + 6
* Hopefully this helps:) Mark me the brainliest:)!!!