Well to find the mean you need to add up the total number of people and then divide by the total number of days meaning if there is a total of 105 people, you would divide that by 5 and get 21
13 + 23 + 24 + 31 + 14 = 105
105 / 5 = 21
f= 77°
d=75°
e=28°
they are vertical angles
k=9
11x9=99
answer- 99
Step-by-step explanation:
Answer:
Answer is D.
Step-by-step explanation:
