Answer:
$1.80
Step-by-step explanation:
4x = 7.20
x = 1.80
Answer: 12 sides
Step-by-step explanation:
The sum of the interior angles of a polygon is 180(n-2), where n is the number of sides

Answer: 0.4758
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
Also, the new population of pilots has normally distributed .
The formula to calculate the z-score :-

For x=130 lb .

For x=171lb.

The p-value =

Hence, the required probability : 0.4758
I hope this helps you
small circle area=3,14.19^2=1133,5
large circle area =3,14.24^2=1808,6
shaded area=1808,6-1133,5
shaded area=675,1