Alawn roller is 1 m wide and 80 cm high. what area is covered in each revolution

What kind of bond pays interest which is exempt from tax?

Which compound inequality could be represented by the graph?

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