check the picture below.
so it has a base of 18x18 and a height of that much.

There are 3 choices out of 8 that include two tails. 3/8 = .375 = 37.5%
Hope this can help
Answer:
86400 seconds
Step-by-step explanation:
The unit of measurement "day" (symbol d) is defined as 86,400 SI seconds.
Answer:
72
Step-by-step explanation: