Answer:
last two numbers are 10,so their mean is 10
adding all means give us the mean of total data
Step-by-step explanation:
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A = 2
b = 0
2a + 2b = 4 → 4a + 4b = 8
(4a + 4b = 8) - (4a - 3b = 8) → 7b = 0
b = 0
so a = 2
Answer:
C.) All living things need warm temperatures; it is always warm on Earth
Step-by-step explanation:
All living things do not need warmth to survive, and it is not always warm on Earth.