Which expression can be used to find the value of x?

Answer:
23 sin 55°
x = ------------------ (matches first answer choice)
sin 85°
Step-by-step explanation:
Note that 2 angles and 1 side length are given. This is a typical application of the Law of Sines. The formula for finding the length of side x is:
23 sin 55°
x = ------------------ (matches first answer choice)
sin 85°