Respuesta :

Answer:

45

Step-by-step explanation:

21 + 2w

21 + 2(12)

21 + 24

45

arj1ta

answer:

58

step-by-step explanation:

  • i think you meant to put 2L + 2W and not 21 + 2W

for this plug in,

2(17) + 2(12)

34 + 24 = 58