Need help please .

Mary had at least an 80% on her test write an inequality to represent this situation

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

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