A. Interviews of random teens at a rock concert
These teens are all fans of the same music because they are attending the same concert. They cannot accurately represent all teens music choices because they are all bias toward the same music style. They are especially excited about it at the concert so responded are even more skewed.
Answer:
A
Step-by-step explanation:
im smart ツ
Answer:
a = -4, b = 3 and c = 6 (OR)
a = -4, b = -3 and c = 6
Step-by-step explanation:

Add 16 to both sides.


or 
or 
or 
Therefore, a = -4, b = 3 and c = 6 (OR)
a = -4, b = -3 and c = 6
Here you go, hope I helped.
Cause if its only 19 hours worked is that the whole week? in that case itd be 19*5.75 = 109.25