There are 7,315 different combinations, thus, the correct option is c
<h3>
How many combinations are there?</h3>
If we have a set of N elements, the number of different combinations of K elements (such that K ≤ N) of these N elements that we can make is:

In this case we have K = 4 and N = 22, replacing that, we get:

So there are 7,315 different combinations, thus, the correct option is c.
If you want to learn more about combinations:
brainly.com/question/11732255
#SPJ1
Answer:
x=-6
y=30
Step-by-step explanation:
-5x =2x+42
x=-6
y=2(-6)+42
=30.
Answer:
Anthony is right
Step-by-step explanation:
I answered your other problem so look there for the explanation