1. Найдем угол ABC: $$\angle ABC = 180° - \angle BAC - \angle BCA = 180° - 44° - 26° = 110°$$.
2. Найдем угол ABM: $$\angle ABM = \frac{\angle ABC}{2} = \frac{110°}{2} = 55°$$.
3. Найдем угол ABH: $$\angle ABH = 90° - \angle BAC = 90° - 44° = 46°$$.
4. Найдем угол MBH: $$\angle MBH = \angle ABM - \angle ABH = 55° - 46° = 9°$$.