DUE SOON !!

Which system has the same solution as the system of equations shown?

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

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.