PLEASE HELP, its on vectors!

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.