Callie has 6 yards of green fabric and 4 yards of white fabric. callie gives 24 inches of green fabric to her sister. how many feet of green fabric does callie have left?

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

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? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years