Answer:
okay let's start
Step-by-step explanation:

I think that it is 2 602/1000
3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2
-28 because using PEMDAS you would do -5x8 which =-40 plus 12 is -28
Answer: it’s -5/2 I think. You might have to dive idea if it doesn’t let you put the fraction, but that is the rise over run or y over x
Step-by-step explanation: