Answer:
The number of data points satisfying something divided by the total number of data points is relative frequency.
x·(1 + y) + (7 + 7·y)
= x·(1 + y) + 7·(1 + y)
= (x + 7)·(1 + y)
s = +6 or -2
Step-by-step explanation:
Lets factorise the eqn.
Here 's' will have 2 values.
1)
2)
they should all add up to 180
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