Question

please give the answer


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Answer 1

Answer:

mark me as brainliest plzzzzz

Step-by-step explanation:

1. x+10

2. y-12

3. b-a

4. Xy

5. 7y +5x

6. 4-x

7. x square

8. idk

9.idk

10. y cube - x cube

11.idk

12.2y - x

Answer 2

Answer:

1. x+10
2. y-12
3. b-a
4. don't know
5. 5x+7y
6. 4-x
7. x×x= x^2