Is the line for the equation y = 1 horizontal or vertical? what is the slope of this line? select the best answer.

the line is horizontal. the slope is 0.
the line is horizontal. the slope is 1.
the line is vertical. the slope is undefined.
the line is vertical. the slope is 0.

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part 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 (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)