Which angles are vertical to each other​

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.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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