Evaluate (-y)^2 and -y^2 when y=2/5 and when y=-2/5

Find the missing part. use an improper fraction for your answer.

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

The function models the number of accidents