В треугольнике АВС , [АВ]=[АС] и m (<BAC)=20°. Найдите величину угла АВС. Что вы можите сказать о виличине угла АСВ? ОЧЕНЬ СРОЧЬНО НАДО
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If m 17 27 90 63 ** picture is attached

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.