Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Read the explanation. The paragraphs are for each question.

Step-by-step explanation:

If a - 7 is positive, we will get a - 7 5, and when a - 7 is negative, we get 7 - a 5, and we can multiply both sides by -1 and we also need to switch the sign (you can figure this out by adding and subtracting things), so we get a - 7 -5. This means the answer is the 2nd choice, as we do not need them both to be satisfied.

For the 2nd part, we do the same thing. We have Now, we have the same two cases, and we get either , or , and we multiply by -1 again to get . So, we get as our answer.

b

step-by-step explanation: