Find the arc measures

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?