Answer:
The corresponding sides have the same slope so the answer is QR and MN, SR and PN and MP and QS. Hope this helps!
Might be late but the first one is 125 and the seced one is less than :)
Answer:


Step-by-step explanation:
Given
See attachment for complete question
Required
Express the answer in 
From the question, we have:

breath/person in a year
The number of breath is calculated by:

So, we have:

Reorder



Using scientific notation
;
The value (a) must be in the following interval 
So, we have:


By comparing the above with: 


In the limbs, flexion decreases the angle between the bones (bending of the joint), while extension increases the angle and straightens the joint.