What problem might contribute to an out-out-order room?

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

The volume of the triangular prom is 54 cubic units

In the diagram, δgef and δhef are congruent. what is the value of x?