A DNS TTL determines what?

What is used to analyze and summarize your data without graphical support

Michael has written an e-mail to his employees that describes a new product special that will be introduced to the customers next week. by taking time to make sure the e-mail is well written, logical, and organized, michael has made sure his message has the characteristics of a) effective communicationb) ineffective communicationc) barriers to communicationd) workplace communication

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?