Which of the following correctly demonstrates the Associative Property of Addition?(1 point)

Question

A. y−(x+1)=(y−x)+1

B. x⋅(y+z)=(x⋅y)+z

C. x+y)+z+r=x+(y+z)+r

D. m⋅(x⋅y)=(m⋅x)⋅y

Answer 1

C. x+y)+z+r=x+(y+z)+r