Explain the similarities and differences of lines and line segments

Kinu wants to buy topsoil for a section of her garden that has the dimensions shown in the figure. each bag covers 2 square yards. how many bags of topsoil should kinu buy? explain how you found the answer.

Give me the equations of two lines that have the same slope but are not parallel.

Which of the following circles have their centers on the x-axis? check all that apply.