Need help with this pls

Where did the constitutional convention take place

Why do you think kush in nubia is not as well-known as egypt? ( me with my exit ticket)

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling