Decrypt the message opehhistlwilkwpr which is the cyphertext produced by encrypting a plaintext message using the transposition cypher with blocks of four letters and the permutation σ of {1, 2, 3, 4} defined by
a) σ(1) = 4,
b) σ(2) = 1,
c) σ(3) = 2,
d) σ(4) = 3.

Kirk found a local community college with a two-year program and he is comparing the cost with that of an out-of-state two-year school. what is the expected total cost for one year at the local community college if kirk lives at home? what is the expected total cost for one year at the out-of-state school if kirk lives on campus?

Worth 50 points answer them bc i am not sure if i am wrong

Which computer network component connects two different networks together and allows them to communicate? a is a node (or a device) that connects two different networks together and allows them to communicate.