Thank you for all the help

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

What situation is an example of an observational study