For each kilometer above the Earth’s surface the temperature decreases 7°C. If the temperature at the Earth’s surface is -8°C, what will the temperature be at 7 kilometers above the surface?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?