Help pls I took a pic
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Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

The length of the line segment ac is 8x-9 what is the value of x