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:
She sold 3 computer games and 4 board games.
Step-by-step explanation:
If I am doing this right you subtract 9 from 43 until you get the lowest number that you can subtract 9 from 43 thats goes into 4. You then subtract 4 until you get 0.
Sorry if this is confusing I didn't know how to explain it well.
Lines that overlap each other opposite like a T or +
C. 20x = 200 because an equation always has an equal sign and other three are expressions because it doesn't have any signs, hoped this helped:)
The answer would be 18 units I believe
2(7+2)
2(9)
18 units
