(-24)+9=-15
(-15)-9=-24
n=-15
Answer:
The mean number of the children is 1.2
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Step-by-step explanation:
Given
Children: 0, 1, 2, 1, 2
Required
Determine the Mean number
The mean of a set is calculated as follows;

Where x is the given set and n is the number of sets
In this case, n = 5 children
Hence;



<em>Hence, the mean number of the children is 1.2</em>
Answer:
y=42
Step-by-step explanation:
y+48+90=180
y=180-138
y=42
The answer should be 3 since its the absolute value and thats just how far a number is from 0 so it would be 8-5=3