The subset of A is B = {1, 2} and the proper subset of A is C = {1,2,3,4}
<h3>How to create the Subset and Proper Subset of the set?</h3>
The set is given as:
A = {1,2,3,4}
Subsets of a set are sets that can be found in another set
An instance of this is
B = {1, 2}
Because all the elements of set B are in set A
Proper subsets of a set are sets that contain the exact elements found in another set
An instance of this is
C = {1,2,3,4}
Because set C and set A have the same elements
Read more about subsets at:
brainly.com/question/6948738
#SPJ1
Answer:

Step-by-step explanation:
−5x - 3y = 21
+ 5x + 5x
__________

I am joyous to assist you anytime.
Answer:
124
Step-by-step explanation:
because we have to add numbers of hamburgers and burritos and
we have

we know that

and

substitute in the expression



therefore
<u>the answer is</u>

I’m gonna go with the second