What is the length and width of rhe rectangle 2.1 length 1.2 width write it as fraction

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect