David added 2 and –3 using the number line tool. Which of the following errors did he make?

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.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)