Asurveyor wants to know how many shoppers at a mall like to read books. he surveys 100 people coming out of a bookstore at the mall. why is the sample biased?
a.
there are not enough people in the sample.
b.
it is unlikely that people who shop in bookstores are interested in surveys.
c.
the surveyor did not sample the entire population at the mall.
d.
people who shop in bookstores are likely to read more books than those who do not.

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?