Speakers loudness. Measured in decibel (dB) is inversely proportional to the listener from the speaker.
If the loudness is 20dB when the listener is 6 feet away from the speaker.
What is the loudness when the listener is 3 ft away from the speaker?​

Which property is illustrated by the statement given below? raj raj.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2