The speed of sound in the air is about 340m/s. what is the wavelength of a sound wave with a frequency of 400hz?

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

If y gets smaller as x gets bigger and y have an relationship?