To get an a in a course, you need an average of 90% or better on four tests that are worth 100 points each. your scores on the first three tests were 87, 92, 84. what must you score on the fourth test to get an a for the course?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.