Answer:
8.06
Step-by-step explanation:
3.5^2 + 2^2 = 16.25
sqrt(16.25) = 4.03112887
2 * 4.03112887 = 8.06225774
8.06
Answer:
x=-1
Step-by-step explanation:
Answer:
I don't see any graphs
Step-by-step explanation:
There is no image
The researcher used random sampling.
Explanation: He is taking people young and old,tall and short, and asking them if they like the food or not so he doesn’t get biased opinions based on that persons age or any other trait.