Answer:
Step-by-step explanation:

If it is right triangle use pythagorean
Pre-Image:
(-4, 2), (4, 2), (-3, -1), (3, -1)
Image:
(-8, 4), (8, 4), (-6, -2), (6, -2)
Answer:
$511.5
Step-by-step explanation:
Given: Selling price of bike at Danny´s shop is $550
Bike is sold 7% less at competitor´s shop.
Lets find the discounted amount at Danny´s competitor shop.
∴ 
Now, finding the cost of bike at Danny´s competitor.
Cost of bike at Danny´competitor= 
Cost of bike at Danny´s competitor= 
∴ Cost of bike at Danny´s competitor is $511.5.