A statistics student has obtained a sample by surveying all the students in his class. What group can the results of the surve be generalized to?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which number is composite a.9 b.5 c.11 d.2