Answer:

Step-by-step explanation:
First, we need to find the slope, which is defined as the change in y over the change in x:

To find a slope that's perpendicular to that, we just take the negative reciprocal of that slope, which is
.
I hope this helped.
Almost. Where you put -(-5) and then later on you say it’s -5. It’s not. It would be +5 or just 5 because - and - makes a plus :)
Sum of 2 and 8 is (2+8)
Then multiply by 5 will give us answer a. (2+8)x5