Question

Which equation demonstrates the commutative property?

Answer 1

15 × 1 = 15
5 + (2 + 3) = (5 + 2) + 3
5 + 12 = 12 + 5
1 ÷ 15 = 15

Answer 2

C. 5 + 12 = 12 + 5
Communicative property: changing the order, does not change result. Got it?

Answer 3

i need help with another question

Answer 4

Robyn, a photographer living in New York City, is framing some of the pictures she took of the city. Each picture is 5 inches by 7 inches and she has 12 pictures to frame. The frames she has chosen are black, thin, and made of plastic. What will the total length around all of the frames be?