Can i plz have help
its hard

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample