Answer:
x + 2 = 3
Step-by-step explanation:
x is always = to 1
Answer:
- <u>It is a combination</u>
<u></u>
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:
B
Step-by-step explanation:
4*60=240
240/13.7*25=437
Answer:
Step-by-step explanation:
(2
+3)(x+4)
2
+8
+3x+12