Answer:
AC = 12.4 km (nearest tenth)
Step-by-step explanation:
AC can be calculated by using Pythagorean Theorem.
Thus:
AC² = AB² + BC²
Plug in the values
AC² = 8² + 9.5²
AC + √{154.25)
AC = 12.4 km (nearest tenth)
It's 
for <em>n</em> = 1, 2, 3, …
Answer:
So first, you have to isolate w. You can do this by getting rid of the 8/5.
This will get you to: w = 25
I would choose a hope this helps
