I’m on a test so I need help

Aphrase is shown read the phrase and give me the answer

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16