Help please!! Thank you!

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

In the diagram below, tan θ = sqrt 3. what is the value of m?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?