Answer:
B. stratified.
Step-by-step explanation:
If a population is composed by identifiable groups or strata, with large variations between groups, the stratified sampling should be applied in order to comprehend and represent all of the different groups in the sampling process.
Therefore, the answer is alternative B. stratified.
Use the Quadratic Formula
Answer:
BC + CD = BD
hope it helps
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Answer:
a=15
Step-by-step explanation:

Hope it helps
Answer: D. Fixed costs
Rent is an example of fixed costs. The amount of rent does not change based on how many items are produced. This is assuming you are not changing the size of the location or expanding to another location.