Can someone help me with these answers please

7.    7x

8. -2v+19

9. 8p-26

10. 14y-5

11.  7m-13

12. -8k+25

13. -3w-13

14. -9c+27

15. m+4n

16.-7s

17.  6x-13y-24

18. 6h-16b

19. -9p+9q+12

20.   2k/5+ 31/4

Step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

3 hours and 15 minutes

hope this : )