Step-by-step explanation:

So there's no answer, because D must be equal or more than 0.
17 and -17 because the opposite of positive is a negative and also the numbers has to be the same in order to be opposites
Answer:
benjamin is good 2-3x
Step-by-step explanation:
Answer:
The can do so in 24 different orders.
Step-by-step explanation:
The number of arranjments of n elements, that is, in how many orders can n elements be organied is:

In this problem, we have:
4 cities, which means that n = 4. So

The can do so in 24 different orders.