Umm what is this?​

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at , ( 59,60,61,62) and the third quartile would be drawn at . (61,62,63,64)