Answer:
6+3d
Step-by-step explanation:
Sum would be adding 6 and a number, and product is 3 and d. So, it would be 6+3d.
54 because I don't know I can't explain
3x4 = 12 is the most related fact to 12:3 = 4
The function is increasing on the interval [-2,1]
vince i think
