What is the value of i keep getting different answers and i just cant get it : ( . 20 points! (pic now included)

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

Troy has a 7/23 balloon mortgage on his $260,000 home. he has been making payments of $1323 each month and will have a balloon payment due for the amount of $198,569.

Students at a local high school were asked to identify their favorite school subject. the percentages of students' favorite subjects are shownuse the drop-down menus to complete the sentences below.