Respuesta :

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Answer:

D=102

Step-by-step explanation:

9+9=18

21x4=84

84+18=102

Answer:

D. 102 Square Unites

Step-by-step explanation:

First you do 7 x 3 to get 21

Then you do 21 x 4 to get 84

After that you do 3 x 3 to get 9

Finally you take 9 x 2 to get 18 and add that to 84 to get 102 Units