Respuesta :

Answer:

D:84

Step-by-step explanation:

3x3=9x6=54

9x3=27+3=30=54+30=84

Answer:

D. 84 feet

Step-by-step explanation:

6x^2 + 9x + 3

6(3)^2 + 9(3) + 3

54 + 27 + 3

= 84