Answer:
ndkndksndssjsjsjsjsjs nsj
Step-by-step explanation:
No because that would just be measuring freshman a better sampling method would be surveying the same number of students for each grade
Answer:
0.015 km/s
Step-by-step explanation:
40 km/hr
0.015 km/s
0.015 ÷ (1/3600)
0.015 × 3600
= 54 km/hr
It is 15 because 5 times 3 is 15