Help please I really need it for class

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Write and solve a real word problem that involves determining distance on a coordinate plane