Sales of 3 day tickets to playercon brought in 347,600

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.