Example: -8 - (-9) if there is 2 negative signs on the inside then you change it to a plus. -8 + 9 because the 9 is bigger than 8 you switch. 9 - 8 answer is 1
101 r4,122 r12,21,230 hope this helps these are the answers in order I don’t really have any paper to do the math on rn but I’m pretty sure these are the answers!