Awater tank is a rectangular prism that is 111111 meters long, 999 meters wide, and 666 meters high. a solid metal box 444 meters long, 333 meters wide, and 555 meters high is sitting inside the tank. the tank is filled with water

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)

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