Answer:
29
Step-by-step explanation:
20^2+21^2=841
If 1 to 7 are the chances to win over friend then 6 out of 7 are the chances to lose.
Probably to lose = # of loosing chances/ # of possible outcomes = 6/7 ~ 0.86
Answer:
6 + 9x = 5 is the equation for it.
it's a Right triangle... I think that's how you say it...