Someone pls pls pls help me with this, I dont understand it Btw I accidentally pressed b so dont pay attention to that

Part A:
The opposite of finding the square root of a number is finding the square of a number.

square root of d = 10
d= 10^2
d=100

Part B:
The opposite of squaring a number is finding the square root.

X^2=144
X=the square root of 144
X=12 or -12

I hope this helps! Please comment if you have any questions.

The correct awnser is 29.76 pounds.