I think it’s 80 nvm I’m not sure
Answer:
21
Step-by-step explanation:
12 + 9 = 21
that is the distance he ran so that is the distance he will run back
( i hope that helped)
Answer:
The casino should charge for this game at least $1 to break even.
Step-by-step explanation:
We can define the prize function as

where M is the prize money and n is the number of tails in continous flips.
The probability of n consecutive tails can be calculated as
. The probaility of getting a head after the n consecutive tails is
, so the probability of having n consecutive tails and a head is 
Then we can calculate the expected value of M as

The expected money prize for this game is $1, so the casino should charge to play at least $1 to break even.
Answer:
Mr. Kellys class sold more fruit juice I think. I could be wrong but i am pretty sure that is the answer!
Step-by-step explanation: