In mathematics which of these is a theorem in algebraic topology ?
A Furry nut theorem
B Wooly plum theorem
C Hairy nut theorem

What is the square root of 45? (step by step working plz)

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y