Answer:
-132
Step-by-step explanation:
You would just do 4 x 7, which means there are 28 combinations.
Answer:
r=4.5 I hope this helped!
Step-by-step explanation:
I can't really show you the graph but you can look up "graphing calculator" and click on the first link. I use that site all the time for graphs and it is really good. Hope that help
Answer:
A and B is correct ...............