In a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed.
If the confidence interval is 95%, the margin of error for this survey is %, and the maximum number of employees who could have agreed is about .

Carmen and matt are conducting different chemistry experiments in school. in both experiments, each student starts with an initial amount of water in a flask. they combine two chemicals which react to produce more water. carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second.