Respuesta :

Just substitute the numbers in so when a number is in you will times it by the other number then add it by the other one for example the first one is 2x+y if x=4 and y= 2 substitute them in so it would look lyk this 2(4)+2 so u would do 4*2 then add 2 and you should get 10
1. 10
2. 12
3. 23
4. 13
5. 9
6. 16
7. 14
8. 6
9. 0
10. 0
11. 3
12. 4
13. 6
14. 7
15. 3
16. 1
17. 0
18. 1
19. 5
20. 8
21. 2


1. 30
2. 30
3. 20
4. 30
5. 90
6. 38
7. 52
8. 2
9. 40
10. 28
11. 22
12. 1
13. 0
14. 58
15. 42
16. 47
17. 78
18. 18

hope this helps !