Please Help ASAP!!! Ezekiel has 1 liter of a solution that is 3 parts water and I part vinegar. How much should he add of a 1 part water and 3 parts vinegar solution to make a solution that is 3 parts water and 2 parts vinegar?​

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′?