1. A
2. B
3. C
Commutative property;
x + y = y + x
x • y = y • x
Associative property
(x+y) + z = x + (y + z)
Identity property
X + 0 = X
Answer:
0
Step-by-step explanation:
The ratio of people to t shirts is 5 to 1
Otherwise written as 5:1
Median age is the age that divides a population into two numerically equally sized groups - that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population.
Answer:
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