Answer: A.
Step-by-step explanation: With this option, everyone in that middle school is involved, and not just eighth-graders, math club students, or detention students. Option A is a unbiased sample, therefore, that's your answer.
Hope this helps! :)
Answer:
A. would be best I'm pretty sure
Step-by-step explanation:
C. an= -3+ (n - 115)
hope it help
Answer: 34
(x+22) + x = 90
$17.70
You take how much he made ($194.70) and divide by how many hours he worked (11) to get his hourly rateof $17.70.
