How to solve the equation.. 1/4x=7

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap