:A metal cube dissolves in acid such that an edge of the cube decreases by 0.49 mm/min. How fast is the volume of the cube changing when the edge is 9.3 mm?
A) -42 mm^3min B) - 127 mm^3/min C) -530 mm^3/min D) -394 mm3/min

Find the area of the triangle shown 3 by 6

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? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years