Write an expression for the words - divide 10 by 4 and then subtract 6.2

The heaviest 16% of all men in weight weigh more than how many pounds ?

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

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