Let p be the parabola with focus (0,4) and directrix y=x. sketch this parabola.

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c