An expression is equivalent to 2−3?

Name these type of angles shown check all that applies

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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