Which property does the equation illustrate (x+5)+9=x+(5+9)

He concluded that a heavier object dropped from the same height as a lighter object will land

Answer! if you don’t mind, can you explain

The two box p digram the two box plots show the data of the pitches thrown by two pitchers throughout the season. which statement is correct? check all that apply. pitcher 1 has a symmetric data set. pitcher 1 does not have a symmetric data set. pitcher 2 has a symmetric data set. pitcher 2 does not have a symmetric data set. pitcher 2 has the greater variation.ots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play