A semi circle of diameter 6cm is cut from rectangle with sides 6cm and 8cm. Calculate the perimeter of the shaded shape correct to 1 decimal place.
(My words) Add working steps if possible :)​

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.