Ametal rod will be cut into pieces that are each 1/15 meters long. the rod is 3/5 meters long how many pieces will be made from the rod?

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

Tan198=asin164=? how to solve this? ?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?