Jeffery cuts a rectangle out of a piece of scrab paper as shown. He wants to calculate the angle measure of a piece that is left over

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?