If the store purchase an item at a wholesale cost of 3.50 per item and it is sold at a retail value of 5.00 per item what is the gross profit percentage of the item

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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.