Which statement best explains whether (100, 300) is a solution to the system of inequalities

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

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′?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?