This account may get banned but..
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Solve 2x+y=3 x+y=5 in substitution method

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)