Annie and Chloe are in two cities which are 186 miles apart and travel toward each other. Annie’s average rate was 32 mph and Chloe’s average rate was 36 mph. If Annie started at 9:00 a. m., and Chloe started at 9:30 a. m., at what time did they meet?

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?