Who's bored

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8 x 7 = 56

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.

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3