Answer:
A. Julian's height: x - 7
C. There are two terms
Step-by-step explanation:
A right triangle :) to find the length of a missing side, you can use the pythagorean theorem (a^2 + b^2 = c^2)
Answer:

Step-by-step explanation:
The difference between two consecutive elements is 11.

Hence 
Answer:
Ah Thanks so much
Step-by-step explanation:
I am so bored by the way...