If M= (5,2.5), is the midpoint of XY with X = (4,1) and Y = (a,4), what

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If M= (5,2.5), is the midpoint of X̄Ȳ with X = (−4,1) and Y = (a,4), what is the value of a?

A. 6
B. 8
C. 10
D. 12
E. 14

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McGraw Hills Conquering SAT Math

ISBN: 9780071493413

2nd Edition

Authors: Robert Postman, Ryan Postman

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