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
D) initial value of 60 and multiplying by 1/3
Answer:
4
Step-by-step explanation:

Answer:
D. (Negative 2 and one-half, negative 2)
Step-by-step explanation:
The intersection of the two lines is the solution to the system of linear equations. The two lines intersect at (-2.5, -2), then the solution to the system is x = -2.5 and y = -2