Two 3 in. by 5 in. index cards are placed side by side so that their edges are touching.
which term best represents where the cards touch?
a. angle
b. line segment
c. point
d. plane

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