Using the quadratic formula, which of the following is the solution to the quadratic equation x2 - x - 20 = 0? a. x = -5, 4 b. x = 5, 4 c. x = 5, -4 d. x = -5, -4

Determine the relationship of ab and cd given the following points

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?