Pls help me im failing and if you answer with a file i will find you and kill you

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:

c. 4 1/4 pounds

8

step-by-step explanation:

27 +27 or 27times 2=54

the diffrence is 0