If x = 5 and 5 = y, then x = y what algebraic equality property justifies the above statement?

What is the measure of ac? 5 units 13 units 26 units 39 units

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).