Remove parentheses
2c - 4 + 5c + 11
Combine like terms
Answer: 7c + 7
The answer is the second option, or Ray BE is a bisector of angle ABE.
1. Getting either all heads or all tails is a 1/1024 chance
2. Rolling a pair of dice and getting a sum of one has a chance of 0
3. Rolling a sum of 5 has a 2 in 21 chance
4. Rolling a sum of 12 has a 1 in 21 chance
468 plus 624 times 7 divided by 4 and you should get the amount of water in the two tanks