Answer:
It will be biased.
Step-by-step explanation:
By surveying only grades 1, 2, and 3, she is not taking a representation of the entire school. It is possible that the popular color or the color the students like would change over time and the opinion of the younger kids could be different from that of the older kids. Therefore, the sample is biased unless she surveys students from all grades.
Answer:
divided by 5
Step-by-step explanation:
Hope that helps!
Answer:
-38
Step-by-step explanation:
Answer:68 min
Step-by-step explanation:10:47-10:05=42 min
3:39-4:05=26 min 42+26=68
Answer:
24 degrees
Step-by-step explanation:
If the right angle is 90 degrees, and one side of the right angle is 66 degrees, we must subtract 66 from 90. It's 24.
