The pay section I hope that helped a little bit
Answer:
-2
Step-by-step explanation:
7-9=-2 hope this helps
I tried to send the picture vertically, but the bottom part was cut off. So I turned it horizontally. Please understand that.
Answer:

Step-by-step explanation:
Let
x ----> the average depth of the resulting layers of ash and rock
we know that
To find out the average depth, divide the cubic kilometers of molten rock by the area where all the ejected material fell.
so

Convert to meters
Remember that

so

Convert to mixed number

Answer:
I think 32 is answer but i am not sure