F˟˚R˟˚E˟˚E˟˚ P˟˚O˟˚I˟˚N˟˚T˟˚S˟˚ ˟˚H˟˚A˟˚V˟˚E˟˚ A˟˚N˟˚ A˟˚M˟˚A˟˚Z˟˚I˟˚N˟˚G˟˚ D˟˚A˟˚T˟˚/˟˚K˟˚N˟˚I˟˚G˟˚H˟˚T˟˚

Trigonometry help asap

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?