Tomas needs to cut a piece of wood for a model airplane he is building. he has four pieces of wood: 5 feet, 4 feet, 6 feet, and 3 feet long. if the length of wood he needs to cut is 11 square root feet long, which piece of wood should he cut to have the least amount of unused wood?

Step-by-step explanation:

Alright, lets get started.

Tomas has four pieces of wood having each length = 5, 4, 6 and 3

The length of wood he needs to cut to make a model airplane =

Simplifying, it is 3.32 feet long

Means he needs more than 3 feet but less than 4 feet of wood piece.

So, he should select 4 feet length of wood because selcting 3 feet will not fulfilled to make his model and selcting 5 and 6 feet will have more unused wood.

4 feet piece of wood he should cut to have the least amount of unused wood.   :  Answer

Hope it will help :)

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19