Create lookup functions to complete the summary section. in cell i6, create a formula using the vlookup function to display the number of hours worked in the selected week. look up the week number in cell i5 in the range a17: g20, and return the value in the 2nd column. use absolute references for cell i5 and the range a17: g20.

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.