Respuesta :

Answer:

Perimeter:

18+4x+12+5x

=30+9x

Part B:

30+9(2)

=30+18

=48

vanillanekox3

Answer:

Part A: 30 + 9x

Part B: 48

Step-by-step explanation:

Part A:

18 + 5x + 4(x + 3)

Use distributive property

18 + 5x + 4x + 12

Combine like terms

30 + 9x

Part B:

x = 2

30 + 9(2)

Use PEMDAS

30 + 18

48

Otras preguntas