Answer:

Step-by-step explanation:

Answer:
The answer would be -4.
Step-by-step explanation:
This is because the product of a number and -3 must be 8 less than 20, which is 12. And -3 times -4 is 12.
I believe A and B are the ones. As for explaining? hmm. I would honestly say that any number to the right of a number is a tenth of the place above it. But then again, it's optional to explain ;P
not sure what the dots are supposed to mean..
but i think it's 6B5??
Answer:
Step-by-step explanation:
B yes their slopes are negative reciprocals