PLEASE HELP I don't actually need help :/ I just want to give out points cause I'm bored.

what's 2+2?

Find the commission on a $590.00 sale if the commission is 15%.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)