15) (a) Arrange the following data from least to greatest and find the median. 20, 25, 24, 17, 18, 19, 21,27
(b) Find the median of the upper half of the data. What is this called?
(c) Find the median of the lower half of the data. What is this called?
(d) Draw a box-and-whisker graph using the above information.

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.