Answer: C
Step-by-step explanation:
The area of the larger square is a^2 and the area of the smaller square is b^2, so the area is a^2 + b^2, not (a+b)^2.
I can’t see them very well
D. The water level started at 40 mL.
It is noticeable since it is the value on the 0th day. (...as well as our y-intercept)
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