I need help on these last two questions help?

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

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in