What is the volume of the following rectangular prism? units

3 1/3 units

12/5 units

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

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

If jklm is a trapezoid, which statements must be true?