Answer:
Yes, this is a valid inference because she took a random sample of the neighborhood.
Step-by-step explanation:
As her survey was non bias and completely random and she found that 15% of the families would participate in the event. She claims that 15% of the neighborhood families would be expected to participate in the sports event. So, yes, this is a valid inference because she took a random sample of the neighborhood.
Answer:
-4y^2 - 2y + 10
Step-by-step explanation:
The Queen butterflies to the total ratio is 7:16
to get this you add the monarch(9) to the Queens(7) getting the total
Answer:
R/Z
Step-by-step explanation: