The graph shows the amount of a medicine `m`, in milligrams, remaining in a patient’s body `h` hours after receiving an injection. The amount of the medicine decreases exponentially. By what factor did the medicine decrease in the first half hour? Explain how you know.

What is the circumference of a circle with an area of 50.24 cm²?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.