Dev thinks of a whole number. he multiplies it by 4.he rounds his answer to the nearest 10.the result is 50.write all the possible numbers that dev could have started with.

Np4=12np2 with clear explanation.

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.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound