In what form is an equation that relates two proportional quantities x and y?

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?

How do i multiply two digit numbers

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?