Answer:
The x-axis are (0,0) (-3,0)
Step-by-step explanation:
$396,800. This is because 78 years divided by 13 years is 6. So the money would double 6 times... giving you $396,800.
Answer:
12
Step-by-step explanation:
divide both sides by negative 2
square both sides
6x+3=81
6x=78
x=12