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I need the answer ASAP

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.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?