Maria is wrapping a present for her best friend how much wrapping paper was she need used not counting overlap 3 in 9 in to in

What are the soultion(s) to the quadratic equation 40- x^2=0

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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