Can someone help me do this please and thank you

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

5/6+7/8what is the answer sealsdbdbshd

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take