Question

Please answer this questions if you answer correctly I will make you branilinialist​

Answer 1

Answer:

here's ur answer mate ✌️✌️

13.. a option

14... b option

15... c option

16... d option

18... d option

19... c option

20... a option

21... b option

Step-by-step explanation:

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Answer 2

Answer:

13) a

14) b

15) c

16) d

17) a

18) d

19) c

20) a

21) a

22) c

Step-by-step explanation:

13 when +*- it gives - so 69*(-1)=-69

15) As in the associative law it is mentioned that a-b=a+(-b) (+*- = -)

18 (-65)+100=35. (-*+=-)sign of bigger digit i.e. 100

35+(-35)=0. (+*-= -)