. Consider the equation + = . Part A: Write an equivalent equation by multiplying the equation by . Does the equation have the same solution set? Part B: Write an equivalent equation by dividing the equation by . Does the equation have the same solution set?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.

What ratio is proportional to 18/21