Arectangle measures 72cm by 108cm a) a 2cm by 2cm square can be used to cover the rectangle without any spaces or overlapping. expain why. b) how can you use the common factors of 72 an 108 to identify al the squares that can be used to cover the rectangle? c) list all other with whole-number dimensions that can be used to cover the rectangle

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.