Put in the cartesian plane the graph of the function y = 2x + 3

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.