The difference between two numbers is 3. Their sum if 27. What is the smaller number?

12

Step-by-step explanation:

12 + 15 = 27

15 - 12 = 3

therefore the answers should be 12 becuase 12 is smaller than 15

12

Step-by-step explanation:

because is smaller than the other nuber

true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation:

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun