LMN is an isosceles triangle. What is the approximate length of side LM, and what is the approximate perimeter of triangle LMN? Round your answer to the nearest tenth.

What is the value of x in the this question ?

Precalculus question, image attached.

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.