Answer:
Step-by-step explanation:

Multiply both sides by 19

Answer:
Step-by-step explanation:

Answer:
x - 4 = 0 and x - 2 = 0
Step-by-step explanation:

Answer:
(-∞,4)
Step-by-step explanation:
the value is going down from the right until it reaches the vertex
8
Reduce the expression, if possibel, by cancelling the common factors