Kevin rides his bike 6 mph faster than Kyle. In the same time that Kevin has biked 36 miles, Kyle has biked 27 miles. Find the bike speed for both Kevin and Kyle.

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.