Answer:
Step-by-step explanation:
If we don't care about the order (like if we pick Bob then Joe vs Joe then Bob), then a formula is 
where we are picking k items from a list of n items
In our case, n=22 and k=15
Therefore, there are 
Answer:
This answer would be D
Step-by-step explanation:
B i think that because there’s no quantity
It is 3.
You can check this by seeing 3^3 ie. 3x3x3, which comes out as 27.
You can check the cube root on a calculator.
Answer: <em>D. </em><em>P, Q and R.</em>
Step-by-step explanation:
<em>The vertices of the triangle PQR - it is P, Q and R.</em>
