I need help with the statements and reasons

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?