Which quadrilateral is the result of rotating quadrilateral abcd 270° clockwise about the origin?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Ineed here’s a picture of the question

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