1) how can you tell if a question is biased or unbiased? 2) how can you tell if a sample is biased or unbiased?

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

b. hoped i'm right lol

step-by-step explanation:

is this a dating site too?

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.