Please help need someone

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Which of the following circles have their centers on the x-axis? check all that apply.