Respuesta :

Answer:

2a

b+b+b+b+b

C^3

d*d*d*d

I only know the first 4

I hope this helps

Step-by-step explanation:

Answer:

Step-by-step explanation:

e.   x

     ∑ e

     1

   - or more simply, xe.

f.   f^y

   

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