Pls help will give (again)

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

How many lines can be drawn through points j and k? 0 1 2 3

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?