What is the the wavelength if a wave cycles up and down three times per second and the distance between each wave is 1.7m?

5.1 meters

Explanation:

wavelength=3 x1.7

Wavelength=5.1 meters

i think the answer would be b

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.