Simplify each of the following expressions. a. 2/5 - 1/6b. 3/7 - 7/14c. 5/8 - 2/3

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?