Which of the following can you not import contacts from?
1.both professional and social networking sites

2.desktop mailing lists

3.only professional networking sites

4.remote clients

3. write assignment statements that perform the following operations with the variables a, b, and c: a. adds 2 to a and assigns the result to b b. multiplies b times 4 and assigns the result to a c. divides a by 3.14 and assigns the result to b