Answer:

Step-by-step explanation:
To solve for q, we initially place everything with the term q to one side of the equality, and everything without the term q to the other side of the equality.
So


We find the square of both sides of the equation. So




Step-by-step explanation:
The number of subsets=2ⁿ where n=4 members
2ⁿ=2⁴=16
Number of proper subsets=2ⁿ-1
16-1=15
1.3n (it can be simplified like any other equation just add like terms and remember there is a one before every variable)
Um idk if its right but i think
s would be -3,6
r -5,3
16in I believe irdk
Hope it helped..