Fill in the blanks : to check a solution, you can the solutions into equations and verify both equations are true. subsitution is the best method to use when one variable is already or when one variable can be easily .

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Somone me i want to know what 18 hours out of 24 hours in a fraction

Can any one me with the answers to these questions asap?