Tom brown decided to purchase a new bike on an installment loan. the bike was $300.00. he agreed to pay $30 a month for 12 months. what is the finance charge in dollars?
the finance charge is

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