The person above me is right. It’s A , you have to add
Im not 100% about how this question is explained or written but i think its 8
ΔABC ~ ΔADE
AC/AE = AB/AD
AC/(AC+15) = 8/18
18AC = 8(AC+15)
18AC = 8AC + 120
18AC - 8AC = 120
10AC = 120
AC = 120/10
AC = 12
Answer: I think it’s A
Step-by-step explanation:
