Answer:
3.5
Hope this helps!
Step-by-step explanation:
i just did it in A P E X
A
B
C
I think this is correct
The answer is option B, x = 4.2
5 units. Since they have the same y coordinate the x coordinate determines the distance from each other. In the case 9-4=5.
The possible ways Daniel line up his rock collection are {2, 3, 6 and 9}.
