In triangle, ABD,
AD²= AB²+BD²
AB² = AD²-BD²
AB² = 18²-9² = 324-81 = 243
AB = √243
In triangle, ABC,
AC² = AB²+BC²
AC² = (√243)²+(13)²
AC² = 243+169
AC = √412
AC = 20.29
You'll need to provide a bit more information for me to answer this. I.e are you trying to find out how much money will be made after a certain number of years? e.c.t
Answer:
=−6
Step-by-step explanation:
