Respuesta :

Answer:

1. 144 2. 21

Step-by-step explanation:

1. 12(9 + 3)

Distributive Property is at its finest here. You'll have to multiply 12 with both numbers in the Parthentheses.

1. 12 × 9 = 144

2. 12 × 3 = 36

2. 9 + 12

1. Count up 1 9 times starting at 12 or the opposite.