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Pa Help Po Please Po ASAP Po Please Po ASAP Po Please Po class=

Sagot :

Step-by-step explanation:

15. 10,15,20,25,30,35,40

RULE:__I DONT KNOW SORRY_________

15. 30,35,40

16. 4,0,-4

17. 11,13,15

18. 14,17,20

19. 1/6,1/7,1/8