Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
Answer:
x >8
Step-by-step explanation:
Answer:
I think D
Step-by-step explanation:
Answer:
median = 5
Step-by-step explanation:
1,2,4,6,7,9
median = middle position = (4+6)/2 = 5