First of all, the excerpt may not be generally true. It may however be evident based on what was written that shy people become more shy with their everyday dealings because they hid through the social networking sites to be able convey the messages that they want to relay to certain audience.
Answer:
slope: 
Step-by-step explanation:

the linear line has a positive slope that goes up by 1 unit and right by 2 units
Answer: No puedo responder a esto sin que me muestres el problema.
The unlabeled part of the right angle is complementary to 68 degrees, so 22 degrees. y is supplementary to 78 degrees, so 102 degrees. z as the third angle in the small triangle is 180 less than the sum of the other two,
z = 180 - 22 - 102
Answer: 56 degrees