4(axb) = (4xa)b is an example of which algebraic property?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

The reflexive property of congruence lets you say that ∠pqr ≅