You should subtract the powers when they are divided and add them when they are multiplied this rule is so important for now you just have to subtract them and you will get the answer
Hope it helps :)
Just here to get points sorry
Answer:
5/7
Step-by-step explanation:
3-1 2/7
3=21/7 (by multiplying denominator)
1 2/7=16/7 (by multiply 1 and 7. Then add to 2)
21/7 - 16/7 = 5/7
And obtuse angle is greater than 90°
It’s y=-3/4x-1 because it is