the photo below is the reduced form of a 16-by-20-inch print. what is the scale factor being used to reduce it

Find the sum to the equation 3+6+9+

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily