please help no links

Answer: B or C
Step-by-step explanation:
if u can compare the triangles u u can use ur math and get the answer
Answer:
B. 6
Step-by-step explanation:
Since both triangles are similar, you can set up a proportion.
[tex]\frac{8}{13} = \frac{x}{9.75} \\\\8 * 9.75 = 13x\\78 = 13x\\x= 6.[/tex]