Aband expects to have 16 songs on their next album. the band writes and records 62.5% more songs then they expect to have in the album. during the editing process, 50% of the songs are removed. how many songs will there be in the final album?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.