Kelly flies a distance of 2,100 Miles the trip takes 4 2/3 hours. At this rate of speed how many miles with the airplane travel 1 1/2 hours and what is the airplanes unit rate of speed in miles per hour?

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?