What is the mean of this set of numbers? 82 , 79 , 72 , 72 , 81 , 77 , 69 Show your work (Round to the nearest tenth).

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

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

Simplify. 3(4+4x) (type your answer in with no spaces)