The polygons in each pair are similar find the scale factor smaller figure to the larger

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?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Find the difference (8ab+a+2) - (3ab+6)