Question

answer it on a paper I will definitely Mark you brainliest​

Answer 1

Answer:

I don't have a paper

Step-by-step explanation:

1) a) 5+7=12

as if two numbers are positive then result will be positive

b) +9-15=-6

as if one number is negative then answer will be negative

2) a) 4×2=8

b) -4×2=-8

Answer 2

Answer:

i dont have a paper. so, i cannot answer this?