Respuesta :

Given that 4f + 8f

To solve this, we will add the number parts of the expression

4 + 8 = 12

Then since they have the same variable, answer = 12f

From the options given: 12f = 12 x f

This is also equivalent to f.12

Also 9f + 3f = 12f

So from the options given,

Options B and Option D are correct

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