A sound wave with a wavelength of 2.5 m travels 660 m in 2 s. Calculate the frequency of the wave. (To calculate the speed of sound, remember: speed = distance/time.)

Which excerpt from act iv of hamlet best provides evidence of the theme’s development?

Terrence would like to reward himself after each goal he sets, but he's not sure what type of reward to choose. he's easily distracted and finds it hard to concentrate at times. which would be the best type of reward for terrence? a. a brief social network break b. a long nap c. a snack while he keeps studying d. watching a couple of tv shows

9. our body cells perform several important functions including: a. cell metabolism and energy use b. reproduction and inheritance c. communication d. all of these