Answer:
$5
Step-by-step explanation:

The item is discounted by $5 per week.
Answer:
It's area is 50.
Step-by-step explanation:
We can figure out that the length is 10 and the width is 5 since the rectangle is twice as long as it is wide. Then multiply L x W and the result is 50.
Answer:
D)
Step-by-step explanation:
It looks like the most sense
Answer:
b. {(2, 1), (3, 1) (4, 3), (5, 3)}