2nd or 3rd option I hope I narrowed it down
12 is B. You because the graphs slope is 1. 13 is A 7 I think.
C= 5.5 I'm pretty sure that's the answer
d= 4.5 and c+ 5.5
Because 4.5 plus 1.0 = 5.5
since c is one more than d
5.5 plus 4.5 = 10
Ze Answer to Question:
(In order from most specific to least specific): Integer, Whole number, Counting/Natural Number, Rational Number...
Have a splendid day. My apologies if a sudden mistake is made.