Caden owns a popular retail website. the initial number of transactions that took place in the first hour of day is 10 and the number of transactions doubles every hour after that. which statement best describes the initial number of transactions in this situation? a. the initial number of transactions is an independent variable. b. the initial number of transactions is a dependent variable. c. the initial number of transactions is both an independent and a dependent variable. d. the initial number of transactions is neither an independent nor a dependent variable.