Answer:
Opens downward, like a frowning face
Step-by-step explanation:
8-5=-3 It's negative 3 because the 8 is greater than 5
Answer:
It is not well defined.
Step-by-step explanation:
Because set is a collection of well defined objet. And matter contains of solid, liquid and gas
Answer:
63 i think
Step-by-step explanation:
Answer:

Step-by-step explanation:
