Mia is seven yrs older than nick, who is 2 years older than leah. together their ages add to 23. how old is nick?

he is six      n                          

a. -0.3 > -0.33

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this