4 points Carmen is paid piece-rate for each of the 268 items he produces in a
week, and she receives gross wages of $469. What is Carmen's per piece

rate?
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If m 17 27 90 63 ** picture is attached

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?