Take the square root of 64.
You get 8.
-sqrt(64) = -8
-8 is rational since it can be written as a fraction of integers.
11^2 x pi that is the formula now find the answer
For 11a its 2:10 because how you would come up with it is by placing pablos free minutes first and then putting pablos paid minutes and 11b is8:25 because once again you would place sams free minutes first and then his paid minutes
The explanation is in the picture
They are adjacent because he share a vertex and a common side, and x=15° because 90°/(2+4)= 15
