Answer:
- <u>It is a combination</u>
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Explanation:
This is a combination because the order does not matter: the Beagle - Collie couple is the same as the Collie - Beagle couple, so it is only counted once.
The formula for combinations is:

For five diffferent dogs to be put in pairs, the number of different pairs is:

Answer:
DWWDDWDWDAWDWDAWD
Step-by-step explanation:
WDWDAWDDAWD AWDDAWD
Answer:
m= -1/7
b=2
Step-by-step explanation: