Apply two properties of operations (identity, inverse, commutative, associative, distributive) to the equation 3(x-4) to create an equivalent expressions. Explain what properties you used and the outcome when applied to the expression 3(x-4). (LONG ANSWERS ONLY)

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.