Sort the rows of mtcars by decreasing horsepower (hp), breaking ties by increasing displacement (disp). Show and run the R code to find the mileage (mpg) of the first six-cylinder (cyl) car in the sorted data.frame. Sort the rows of mtcars by decreasing horsepower (hp), breaking ties by increasing displacement (disp). Show and run the R code to find the mileage (mpg) of the first six-cylinder (cyl) car in the sorted data.frame.