In isosceles △ABC with a base AB
, the perpendicular bisector to
AC
, intersects the other leg
BC
at point M. If m∠B=68°, find: m∠CMA, m∠MAB

PLZ HELP 100 POINTS VERY COOL

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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