Katie and her brother are both writing a report katie wrote seven eights of her report and her brother wrote three sevens of his report what is the best estimate of how much more katie wrote then her brother

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.