Whats my rule in 6,10,16 and out 3,5,8

True or false? many triangular shapes can be circumscribed about a given circle

Need plz been trying to do it for a long time and still haven’t succeeded

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.