If the radius is 1/2 of the diameter, what is the circumference of each wheel if "Circumference = 2 x 3.14 x radius" need the help asap please!

Discuss the ways in which electronic information associated with payments is addressed in terms of security. include encryption, secure sockets layers, and secure electronic transactions in your discussion. are there any other ways that consumers and businesses can keep their payment information secure in an electronic commerce environment? do you feel that your information is safe when conducting electronic business? why or why not?