Use the interactive graph to plot each set of points. Which sets represent proportional relationships?
Check all that apply.

1. (3, 1). (6,2), (9. 3)
2. (2, 4), (4, 6), (7.9)
3. (1.5, 3), (3,6). (4,8)
4. (3, 1). (4, 3). (8. 6)

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Which of the following can be used to explain a statement in a geometric proof?