Answer:
Scenario A: Survey
Scenario B: Observational Studies
Scenario C: Experiment
Scenario D: Survey
If it not the answer you can correct me
Divid both sides by 3
x<-3
{x | x<-3}
3rd choice
Range:[-2,8)
That’s the range for the domain down below
The answer is A. H(-4,2) I(-9,2) J(-9,-2) K(-2,-2)
2.00 * 8.5%, which is also 2.00 * 0.085
2.00 * 0.085 = 0.17
2.17 after sales