125 x to the power 5 by 5 under root 5 x cube​

Its not clear

Didn't understand the question

answer: my answer would be a) scheduling workouts with your friend for consistent days and time

explanation: for me personally i would be much more likely to go to the gym with a friend because i wouldn't want to cancel on them or stand them up.

for question 8

1: it gets the blood pumping more

2: endorphins and other neurotransmitters