Will give brainliest! if right!
avery has six colors to choose from to make a bracelet: red orange, yellow green blue, and purple. if she uses two different colors to make a bracelet, how many combinations are possible?

a 12
b 15
c 30
d 36

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.