The extra covering in shielded twisted pair wiring protects the transmission line from electromagnetic interference leaking into or out of the cable. STP cabling often is used in Ethernet networks, especially fast data rate Ethernets.
( Not sure if this was helpful but)
Answer:
x > 6
Step-by-step explanation:

Darlene read 35 pages of the book.
If B lies along the positive x-axis, then the coordinate of B is (12, 0). Since the right angle is at B and BC is 5, it means that C is 5 units above B.
Therefore, the coordinate of C is (12, 5)
I'm kind of in a rush, the answer is 72!