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Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

What is the measure of the smallest angle in the diagram? 15 29 32 45

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?