When you whisper, you produce a 10-db sound.
a. when you speak quietly, your voice sounds twice as loud as a whisper. how many decibels is this?
b. when you speak normally, your voice sounds 4 times as loud as a whisper. how many decibels is this?
c. when you yell, your voice sounds 8 times as loud as a whisper. how many decibels is this?

Asher cycles 12 miles in 16 hours. what is his speed?

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)