SOMEONE PLEASE HELP ME ITS URGENT ILL MARK YOU AS THE BRAINLIEST PLS

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.