12. Twelve contestants are competing to be on American Idol. The judges will keep either three or four of the contestants. How many more groups would be formed if the judges pick four instead of three? A) 275
B) 715
C) 792
D) 10,560​

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)