A research study was conducted to measure the time students focused on a task before being distracted. The box plots show the distributions of attention spans of high school and college students. What measure of center can be determined and compared in the box plots? mean median range IQR

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?