Im actually pretty sure its C because 4 to the power of 2 is 16 and then add those too up 16+25=41
9: B right
10: C obtuse
11: B right
12: B right
I hope they are right! Sorry if they are not!
D'
you can't use the same single letter to mark a new point.
56 to the depth of the feet that is divide by the tens place and the 1/4 places
Of the 1 so overall it is 56
Here here here here here here here
