Employees at z-gadgets, a global organization, often participate in online meetings with their colleagues who are located in different countries. to participate in such meetings, the employees use their own computers and headsets with microphones to interact with one another. identify the collaboration technology used by the employees of z-gadgets.

Yes, by adjusting the boot order.

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.