Answer:
0.67 cm/s
Step-by-step explanation:
The area of a square is given by :
....(1)
Where
x is the side of a square

Differentiating equation (1) wrt t.

When A = 81cm², the side of the square, x = 9 cm
Put all the values,

So, the length of the side of a square is changing at the rate of 0.67 cm/s.
You can simplifying 24/3 by dividing 24 by 3.
24÷3=8
The answer is 8.
(6)^-2 Is equivalent to 1/36
Yy^2 I'm pretty sure is the answer!
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Step-by-step explanation: