Which division expression could this model represent?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Each unit cost 14p, how much would 942 units cost?