Respuesta :
Answer:
a = 50, b = -5, c = 5
Step-by-step explanation:
All of the boxes have to be equal to 125
box 1,
75 + 50 = 125
box 2,
120 - ( -5 ) = 120 + 5 = 125
box 3
[tex]5^{3}[/tex] =5 * 5 * 5= 125
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