30 !
given: the coordinates of rhombus wxyz are w(0, 4b), x(2a, 0), y(0, -4b), and z(-2a, 0).
prove: the segments joining the midpoints of a rhombus form a rectangle.
as part of the proof, find the midpoint of yz.

Anyone know? is appreciated! will mark brainliest if correct!

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.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5