Answer:
$57
Step-by-step explanation:
The dollar amount of the discount is 440 - 154 = $286.
Therefore the percentage discount for the sale is given by:
What are you talking about, can I see a picture
The addition of +7 influences the y values of the graph. Since it is positive, the graph of y=IxI would be moved 7 units upwards.
Hope I helped :)