How to convert 10.7 decimal into a fraction

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What is the relationship between all triangles that can be drawn given the same three angles

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.