Answer:
Step-by-step explanation:
This is the associative property for addition. In informal language, it says under addition, the order of the addition is not critical.
Answer:
4th option (sqrt(10))/2
Step-by-step explanation:

Answer:
cluster system
Step-by-step explanation: For edgunity
26.5 ..................................
The distance between the tops of the poles is the hypotenuse of the triangle which is equal to the square root of (12^2 + 5^2)
The hypotenuse = square root (144 + 25) = 13 ft