If the surface area= 20,000 cm square, what is the radius?

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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?

Find the value of x. give reasons to justify your solutions! c ∈ ae

Write the standard form of an equation with (see picture below)