Why would amazon want to use driverless delivery trucks with 3d printers installed?

Explain why it is reasonable to assume that receiving 3 duplicate acks in tcp is an indication that the network is not currently congested.

17. implement the jvm dload instruction for the mic-2. it has a 1-byte index and pushes the local variable at this position onto the stack. then it pushes the next higher word onto the stack as well

Which is the best minecraft server? a. mineplex b. worldonecraft c. 9b9t d. 2b2t