Find the equation of the line.
Use exact numbers.
y=[ ]x+[ ]

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?