Answer: The mean is 6.
Step-by-step explanation: First you add all of the numbers together getting a total of 48. Next to find the mean you divide them by the total number of "dots". Lastly, you get the answer of 6 which is your mean.
Answer:
Errm please where is the angle of elevation
I think there should be an angle before we can find the height of the building
−(x^2−6x+7) that is the answer
I wanna say......Trapezoid?