Answer:
hi! so for perpendicular it's negative reciprocal!
so is -4/3 and 3/4 negative reciprocals?
oh and remember reciprocals are flipped!
if you still don't get it let me know aha
He ran 14 km, multiply 6 by 2 and 1/3.
Can you please take the pictures again I would love to help you! <3