Answer:
THE CORRECT OPTION IS A) Δ ABC
Δ BDC
Δ ADB
Step-by-step explanation:
The first option is in correct order of triangle ,we can easily the their sides are proportionate . And having eqal angles.
Answer:

Step-by-step explanation:

Add 9x to both sides:

Simplify:

Solve with the quadratic formula:
For a quadratic equation of the form
the solutions are:

For 


The solution to the quadratic equation are:

Hope I helped. If so, may I get brainliest and a thanks?
Thank you, have a good day!
Answer:
5
Step-by-step explanation:
359 because you start with 100, then you multiply 50 x 359 which equals 17950. But then you are the hundred you had to start with to get 18050