Sheyla20047oz2mbsgo Sheyla20047oz2mbsgo Mathematics Answered John wants to make a glider and he needs to make sure that XM is the same length as XB so that his glider will fly smoothly. Can you help John calculate the length of XM 2 Find the length of XM if XB = 7k- 3 and XM = 9k-9. M B The length of XM =