a small bouquet of flowers contains the flowers shown in the table. A large bouquet has the same ratio of flowers as the small bouquet

How can you tell when x and y are not directly proportional?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

If the value of cos330°is√3/2 then find cos 165°.