Answer:
I'll do the first one and lets see if that helps
Step-by-step explanation:
Given:
Volume of cubical tank =
cubic meters.
To find:
The length of a side of the water tank.
Solution:
The volume of a cubical tank is:

Where, a is the side length.
It is given that the volume of cubical tank is
cubic meters. So,


Taking cube root on both sides, we get


Therefore, the length of a side of the water tank is 2 meters.
Answer:
B
Step-by-step explanation:
because its going up at a constant rate and not jumping around
Answer:
i think that the answer might be D