It's the difference between the upper quartile and the lower quartile
Answer:

Step-by-step explanation:
We can form a right triangle using the plane, the airport, and ground and use basic trig for a right triangle to solve this problem.
In a right triangle,
. Therefore, we have the following equation, where
is ground distance between the plane and the airport:
.
Answer:
8
Step-by-step explanation:
The measure of an inscribed angle is half the measure of the intercepted arc.
m<T = (1/2)m(arc)SU
9x - 25 = 47
9x = 72
x = 8
Answer: x = 8