What is true about the dilation?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Determine which postulate or theorem can be used to prove that lmn =nmo

Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz