Determine if the following conclusion is valid. Why or why not? To determine whether students will attend an arts festival at the school, Salina
surveys his friends in the art club. All of Salina's friends plan to attend, so she
assumes that all of the students at the school will also attend.
No this is a voluntary response sample so the sample is biased
2.
Yes, this is a simple random sample so the sample is unbiased
Yes, this is a cluster sample so the sample is unbiased
No this is a convenience sample so the sample is unbiased
Question 12 11 noint)

96 39 cause 135 -96=39 im smart (i used a calculater)

aloha~! my name is zalgo and i am here to you out on this amazing day. to answer your question, yes, nonzero numbers can have a greatest common factor and that would be 1. still don't get it? let me considering every number is divisible by 1 and hence every number has 1 as a factor of theirs. so, if 2 nonzero numbers didn't share any gcf (greatest common factor), they would still have a factor in common and that would be 1.

i hope that this ! : p

"stay and stay proud! " - zalgo

(by the way, do you mind marking me as brainliest? i'd greatly appreciate it! mahalo! x3)

70 years.

step-by-step explanation: