Answer:
The answer is "Option a, Option b, and Option d".
Step-by-step explanation:
In the given question it is used to stratifying the sampling if the population of this scenario it flights takes off when it is divided via some strata.
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In option a, In this case, it stratified the sampling, as the population of planes taking off has been divided into the days of the week.
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In option b, It also used as the case of stratified sampling.
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In options c, it is systematic sampling, that's why it is wrong.
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In option d, It is an example of stratifying the sampling.
Nine is the answer cuz it equals 27 then subtract 2 equals 24
Answer:
D=-12 CDE=130
Step-by-step explanation:
Answer:
See below
Step-by-step explanation:
Basically, the associative property states that when an expression has three terms, they can be grouped in any way to solve that expression.
For example, 
if you're doing multiplication, or 
, if you're doing addition.
we are given
distance=6.7 furlongs
(a) In rods
we know that
we can multiply both sides by 6.7
..............Answer
(b) In chains
we know that
we can multiply both sides by 6.7
..............Answer
