Answer: the number is 9
Explanation:
4x - 9 = 27
Add 9 to both sides:
4x = 36
Divide both sides by 4:
x = 9
Was there supposed to be a picture attached?
Answer:
third option mechanical weathering
Step-by-step explanation:
in mechanical weathering it breaks the rock into smaller pieces . these smaller pieces are just like the bigger rock , just smaller .
The picture is very blurry I can’t see