52=x because x+128=180 and that is a 189 angle
Answer:
Explained below.
Step-by-step explanation:
The formula for average rate of change is:

1.
=
=
=
= 70
2.
=
=
=
= 35
3.
=
=
=
= 60
4.
=
=
=
= 20
5. Their average speed was the greatest during the first to second hour.
6. Their average speed was the least during the eight to tenth hours.
7.
=
=
=
= 38.89 or 38.9
Hope that helps!
Answer:
Hey
Step-by-step explanation:
277 years because 831 people/3 people per year = 277 years
The answer would be letter A