F(x) = x² translated 2 units right and 3 units down. What is the vertex form of this function?

Rename mixed numbers before you can subtract are what

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?

I'll give brainliest if you answer right : )