114 divided by 6 equals 19.
Answer:Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. ... We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.
https://youtu.be/sskf3tF2heU?t=8
The mean is 4.2
1+4+9+2+5= 21
21 ÷ 5 = 4.2
The median is 4
Put the data set in order
1, 2, 4, 5, 9
In the end the mean is 4.2 and the median is 4.