Volunteer sampling which may produce non-representative samples is a particular problem with Group of answer choices face to face interviews. mail questionnaires. group-administered questionnaires. internet surveys.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Can someone me out here and the tell me the greatest common factor