Factor trinomial 12z^2-zy-y^2

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220