Aroom has an area of 121ft2 but carpeting is only sold in m2 how much carpeting is needed is to carpet the room

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

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