How is a topic different from a theme?

it must take place in a larger literary conversation.
it is written in a full paragraph form, with citations.
it states a life lesson, while the theme does not.
it does not state the life lesson, whereas a theme does.

Which expression is equivalent to 2^4y^3

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

The graph of a line gets what as the value of the slope gets bigger