What’s The greatest common factor for 28 42 and 56

What dimensions can créate more than one triangle ?

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a