Answer:
The answer is C. Hope this helps!
6 buckets of balls
Step-by-step explanation:
30-12=18 so 18/3=6
(x - 1) x (5x + 4)
5 x 2 – 4 = 6
5 x 4 – 4 = 16
6 x 2 – 11x – 4 = 56
5 x 2 – x – 4 = (x - 1) x (5x + 4)