What is the justification for step 2 in the solution process? 12y - 40 - 4y = 6y - 18
Step 1: 8y - 40 = 6y - 18
Step 2: 2y - 40 = -18
is it a multiplication , subtraction , division , or addition property of equality ?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

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.