Answer:
168cm is the right answer
Step-by-step explanation:
Answer:
32.666666666667
http://www.alcula.com/calculators/statistics/mean-absolute-deviation/
Insert data and it will calculate the (MAD).
I think it wold be b
please tell me if i wrong
Answer:
Given :
→x-y=12
→xy= 3²
=9
Equation formed:

Step by step explanation:

hope it helped you:)