PLEASE HELP!!

Sin <k=
A. 1/2
B. (sqrt3)/3
C. 2
D. 2sqrt3

Anyone know? will mark brainliest if correct!

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?