Find the perimeterof isosceles triangle whose equal sides are 50 unit. And angle between ths equal sides are 73.74 degree.

Which one ? is the answer and how to find this answer

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?