Curtis needs to find an inexpensive technology that will enable his company's employees to share, organize, and update their records so other employees can use the data. Employee shifts are staggered. Many employees are never in the office at the same time, and some work from home. Which telecommunications technology will best meet Curtis's company's needs?

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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:

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