Answer:
The function of this equation is: 
Step-by-step explanation:
The answer is option "A, 13".
As both triangles are similar.
<span>ΔRST ≅ ΔXYZ.
it means RS = XY
YZ = ST
and XZ = RT
Now given that RS = 13 which is equal to XY.
Thus XY is equal to 13.</span>
Gamma rays are radiation.
Radio waves are sound.
Visible light is color.
X-Rays allow us to see bones.
//Your answer is Visible Light.\\
~Mstar180\/\
The answer is 1.81 repeated so like 1.81818181
