Susan placed a 10 foot rope along one side of the fence. She decorated the rope by tying a ribbon at every foot. How many ribbons did Susan use?

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).