HELP ME WITH THIS ASAP

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.