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,

To solve this we need to use this formula:


The 8 is in the tenths place it would look like 8/10 .8 its .08 for 8/100
As of 2021:
April-$150
May-$155
June-$150
Total-$455
Spent 75%=455/100x75
=341.25
455-341.25=$113.75
Round off to 3sf: $114
Have a good day
Answer:
You go to whoever's question you wanna answer and it should say "add answer" and just type out your answer and solve it