Answer:
{0}
Step-by-step explanation:
{0} is not because 0 is not an element of set {1, 2, 3}
The null set is a subset of every set, so Ø is.
A set is a subset of itself.
Answer:
2A
Step-by-step explanation:

Answer:
he earns 5 dollars for walking 4 dogs
Step-by-step explanation:
Answer:
Thank you, Also that is really cool
Step-by-step explanation:
Answer:
F= 0.44642857d+1
Step-by-step explanation: