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Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

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.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !