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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Answer:

all of this box has be equal to 5

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