Which statement about the greatest common factor of 36y2 and 16y is true?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

How do you solving the solution of each system using elimination?