B. An account of the impact of human behavior on the environment, C. the story of human activity before writing was developed, D. the story of change over time documented with evidence.
Answer:
7.5 or 15/2
Step-by-step explanation:
x-3x+6=2x-24 -- Combine like terms
-2x+6=2x-24 -- Add 2x to each side
6 = 4x-24 -- add 24 to each side
30 = 4x -- divide by 4
15/2 or 7.5 = x
Answer:
Total 10
Step-by-step explanation:
21. 23, 25, 27, 29, 31 , 33, 35, 37, 39.
hope this helps you
Answer:
A
Step-by-step explanation:
I think because I just had this similar problem if I'm wrong I'm sorry not a 100%sure just trying to help