Answer:
$ 17.85
Step-by-step explanation:
Regular price = $ 21
Reduction = 15% of regular price

= $ 3.15
Price of the item after reduction = 21 - 3.15 = $ 17.85
No, it is not possible for that to happen
Answer:
Slope is -1
y intercept is (0,-1)
points at (-1, 0)
(0,-1)
Step-by-step explanation:
1763 inches cubed is the answer