Answer:
The distributive property
Step-by-step explanation:
It says

I hope you understand the generalization of the property.
Answer:
82-10=72
72:6=12 daughter`s age
12+4=16 son`s age
16+12= 28
72-28=44 man`s age
Step-by-step explanation:
400% of a is the 1% of 400a
Answer:
Mean= 8.5
Median= 6
Step-by-step explanation:
3,4,5,6,6,7,9,28
Median= Middle (If two middle number, add and divide by 2)
Mean= (3+4+5+6+6+7+9+28) ÷8