At least 15 b/c is you add QWERTY to -12, you get zero and adding 5 to get 15 in total.
Answer:

Step-by-step explanation:

I hope I helped you^_^
Answer:
Step-by-step explanation:
Answer:
i believe undefined
Step-by-step explanation:
Slope
m= −3−9
5−5
-12/0