Why would Brain. ly delete all of my answers to questions but a couple and remove more than 15 brainiests and many points

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?