Need help with some work that I got, everything should be in that image

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

What is the least common factor of 6 and 8

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