Answer:
C. 4.09 m
Step-by-step explanation:
Let the length of the shadow cast by a person be x m.

Answer:
B
Step-by-step explanation:
I don't know how to explain it, but I hope I got it right and that it helped you.
Answer:
D.
Step-by-step explanation:
This will be D because the beaker already has 0.2 mL of water. If Jovita needs to add more water to the beaker, and<em> then </em>it is 0.8. In D, the diagram shows you 0.2 + x = 0.8, which makes it the right diagram.
Hope that helps!
Answer:
This system has one answer.
Step-by-step explanation:
This system only has one answer which are: x=1 y=2
Hope this helped! :)
If you have snap you can use that just hold down on screen your problem