help me find angle QTR only if you know correct answer will be brainliest! explanation is important. thanks alot

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Find the dimensions of the circle. area = 64π in.² r= in.

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y