Answer:
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Step-by-step explanation:
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Angl.(QMT) = 134°
Angl.(QMT) = Angl.(QMS)+ Angl.(SMT)
or, 134°= (7x-4)° + (2x+3)°
or, 134° = 7x + 2x -4° +3°
or, 134° = 9x -1°
or, 134° + 1° = 9x
or, 135° = 9x
or, 135°/9° = x
or, 45° = x
x=45°
x=48
48/4=12
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Answer:Decay
Step-by-step explanation: because of perenthesis
($0.5 x 2) + ($1.25 x 3) + ($0.75 x 3) = $7