If the area of the circle is 28 in^2,what is the area of the shaded sector with 90 degree angle?

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.

Select the quadratic that has root x = 8 and x = -5

Which function has the domain x> -11?