Answer:
triangle 1, triangle 3,
Step-by-step explanation:
Triangle 1= 
Triangle 2= is wrong
Triangle 3= 
Triangle 4= is wrong.
Step 1: Add up the ages.
32+23+21+38+26=140.
Step 2: Divide answer by the amount of used numbers (5, in this case.)
140/5=28.
Your answer is 28.
Answer:

Step-by-step explanation:
Given

---- intensity is 10000 times reference earthquake
Required
The resulting equation
We have:

Substitute the right values


Answer:
hehehe
Step-by-step explanation:
Answer:
0.90$
Step-by-step explanation:
4hour=0.60
6hour=x
x=(0.60×6)/4
x=0.90$