Describe how the discriminant can help you determine the type of solutions you are going to have

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}