Please show all steps and calculations

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?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Describe a situation that you could represent with the inequality x< 17