In miami, the number of highway accidents increased by 20% over a four year period. how many accidents were there in 2013 if there were 5,120 in 2009?

What is sin 7x/4 ? i need on this urgent trig

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

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.