Answer:
option D.
Step-by-step explanation:

let's take any point on the graph. let's say (2, 16)
and one point we know is (0, 0)

= 16($) / 2 (hrs)
= 8 $/ hrs
that is option D.
Answer:
a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.
Answer:
4+8=M or 4+8=12 or just 12
Step-by-step explanation:
there isnt anything to circle so but since he was 4, 8 years ago, you would add 4 and 8.