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.
Answer:
Step-by-step explanation:
c2+2c+4
(c+2)^2
^ is the exponent
This is the simplest way I could explain that complex question.
Answer:
No, the solution of the system is (-1,5)
Answer:
It should be 6
Step-by-step explanation:
birds have 2 legs so - 3x2=6
30-6=24
cats have 4 legs so - 24/4 =6
Hope this helps :)
