Find the 9th term of this arithmetic sequence: -21, -28, -35, -42, ...

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Multiplying an even number of negative numbers gives an answer that is choose from:

Ihonestly have no clue if it's each or none.