The correct answer is "525613"
Idk if this will help, but her :)
Answer:
Step-by-step explanation:
So, according to the law of Sines, we have

In our case, we have S and R, so...

And we want to isolate R...

the angle of R is then 75.90 degrees.
The anwser would be -15
3 x (-5) = -15
The answer is simply 2x over 5(fraction) +1 so it the first choice