Step-by-step explanation:
They're both talking about profit although one isn't making profit at all so I guess they're equivalent. You can also say, one is about meeting the retail price the other is talking about how far they've left the retail price behind
(a-b)2=a2-2ab+b2 (b-c)3=b3-2bc+b2
Answer:
(-2,1)
Step-by-step explanation:
The bracket is an opened interval
zero is neutral either positive or Negative
so the range of values in (-2,1) is -1,0 with corresponding values 2 each
hence, they're positive