How to solve this one​

Find the value of x for which abcd must be a parallelogram -9-6x x-30

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2