For the graph y = 1 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. explain your answer with two or more sentences.

What is the value of x when x + 7 = 21?

See attachment below and find the equivalent of tan(∠qsr)

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)