Please help this is confusing.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Which function has the domain x> -11? y= x+ 11 +5 y= x-11 +5 y= x+5 - 11 y= x+5 + 11

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?