Which is equivalent to 21.76 grams per minute

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?

Select the quadratic that has root x = 8 and x = -5

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1