The length of a violin string varies indirectly with the frequency of vibrations of the string. When the length is 50 centimeters, the frequency is 2 Hz
What is the frequency of a string 40 centimeters long?
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Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Urgentwhat is the area of the figure?

Can anyone me get through my algebra 2 class? the only class i need to graduate..