Indicate which property is illustrated in Step 5. Step 1 5x + 5 + 9x + 11 = (5x + 5) + (9x + 11)
Step 2 = 5x + (5 + 9x) + 11
Step 3 = 5x + (9x + 5) + 11
Step 4 = (5x + 9x) + (5 + 11)
Step 5 = (5 + 9)x + (5 + 11)
Step 6 = 14x + 16

A.
commutative
B.
arithmetic fact
C.
associative
D.
distributive

D)

Step-by-step explanation:

A square with an area of 1 square meter is decomposed into 9 identical small squares. Each small square is decomposed into two identical triangles.

1 square meter is decomposed into 9 identical small squares

So there are 9 small squares in 1 square meter.

Each small square is decomposed into two identical triangles

So 9 small squares is decomposed into 9*2=18 identical triangles

Hence, 1 square meter is decomposed into 18 identical triangles.

WE need to find number of triangles are needed to compose a region that is   square meters

square meters = 1.5 square meters

1 square meter = 18 identical triangles.

1.5 square meters = 1.5 * 18 = 27 identical triangles.

There are 27  triangles are needed to compose a region that is 1 1/2 square meters.