Question

2. CAN SOMEONE PLEASE HELP ME? I'M NOT GOOD IN MATH.
Explain your work​

Answer 1

D

Explanation:

Since triangles ABC and CDB are similar, CD and CB is the same as the ratio between CB and CA. 15:9=x:15. x=25. Subtracting CD to just be left with AD, we get 25-9=16, or answer choice D. Hope this helps!