Aphone company needs to know how high a cell tower is, so it decides to use a 2 m pole and shadows cast by the sun, as shown in the diagram. both shadows end at point b. what is the height of the tower. (use the picture included) 15

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

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

Change negative exponents to positive. then solve. round to four decimal places