12 chocolate bars cost 22 dollars (round to the nearest hundredth this is ratios and rates

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

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