C the answer is c! Hope I’m rigth
Answer:
The answer is 25.35
Step-by-step explanation:
Hope this helps:)
Answer: David conducted (an observational study) because (it studies human behavior) and (the sample is not manuipulated).
Step-by-step explanation:
hope this helps! (:
274.80 if you rounded to the nearest 10th but if you don’t it will be 274.78