Alex is constructing a square in which two of its vertices are points x and y. He has already used his straightedge and compass to construct the lines and arcs shown. What should Alex do for his next step?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.