Answer:
(6,10)
Step-by-step explanation:
Used a calculator
In the first equation you go to the origin then go down 1 which is the component -1. Then to get the other point go up to then 3 boxes to the right. For the second one you start at the Irgun Then go up 4 and plot the point to get the other point you go down 1 box and to the right one box. Then just connect the points
The number of days of not leap years is 365.
So, the number of different variations of birthdays for 4 people is 365 * 365 * 365 * 365 = (365)^4
The probability that all of them be one specific day is 365 / (365)^4 = 1 / (365)^3 ≈ 0.00000002.
Answer: 0.00000002
It's impossible to solve all that you give but I think I can help you. There are many different sites which have soft that can solve tasks like this. Just enter what you need in search bar and follow the first link you see.