Which is the correct answer ? please help ! simplify to create an equivalent expression 2(-3k-5)

a) -6k - 10
b) 16k + 10
c) 6k + 10
d) 3k + 7

Ihave trouble finding the nth term of a linear sequence

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.

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.