Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average =
=
= 8
Answer: 1053
Step-by-step explanation: ...............................
Answer:
the answer is D
Step-by-step explanation:
TOOK THE TEST
The answer is an Equilateral Triangle. I believe.
Answer:
its 19. 60 just add it three more times and that is your answer