Answer:
158 sq ft^2
Step-by-step explanation:

I assume take the z score or it would be about 30% because of the 60, 95, 97.5 rule which has a technical name that I can't remember
Answer:
Given : PQR is a triangle.
Such that, 
Prove: 
Construct median PM.
⇒M is the mid point of line segment QR ( by the definition of median )
Therefore,
(By the definition of mid point)
(given)
( reflexive)
Thus, By SSS congruence postulate,

Thus, BY CPCTC,

Hence proved.
Answer:
43, it raises by 4 each time. good luck!
Step-by-step explanation: