Answer:
Step-by-step explanation:
Assuming the original price was £1.00
the answer is C) 0.60p
Answer:

Step-by-step explanation:
Set builder notation-
It is a notation for representing a set by enumerating its elements and stating the properties that its members must satisfy.
The given set is,

This set is comprised of all negative integers. So symbol Z should be used in this case.
The set builder notation for this set is,

Answer:
8
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
Has to be the opposite