No a biased sample is not valid
Answer:
it is c
Step-by-step explanation:
Answer:
v=18
Step-by-step explanation:
Hope I helped!! :)
Sorry if it's wrong! :(
BTW you just need to subtract to be able to find the value of v.
Please mark brainlist!!
This is it! remember that it is undefined because you can't divide by 0.
Answer:
i dont know
Step-by-step explanation: