D is the answer
(4+8)+1 = 13
4+(8+1) = 13
Therefore equation D is true
It would be 9!!!
Hope that helps!!!
Which property of multiplication is shown ?
11 × 1
Answer:
11 units
Step-by-step explanation:
To calculate CD use the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = C(- 4, 6) and (x₂, y₂ ) = D(- 4, - 5)
CD =
=
= = = 11