What problems have arisen regarding use of the internet for global business transactions, and how are they being resolved?

Find the inverse function of f(x)= 1+squareroot of 1+2x

The editing of digital photos us about the same level of difficulty as editing an analog photo

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia