David practices piano for 1 1/3 hours on monday and 3 1/2 hours on tuesday how much longer does he practice piano on tuesday that on monday. a 1 1/5. b 2 1/6. c 2 2/5. d 2 5/6.

Three times the sum of a number and seven is negative thirty-six. what is the number?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

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.