Respuesta :

ririmcgary

Answer:

bro use air math it will give u the answers trust me

25lbk01

Answer:

16: 24ab, a negative times a negative always makes a positive by the way

17: 6x^4

18: 15, 15-8=7, then 7x3=21

19: -2x+8

20: 8a

21: y x y x y

22: 2a+3b

23: 6a^4

24: x times x times x times x

25: 49y^2

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