Bonjour!
Quelqu’un peut m’aider dans l’exercice 6?

Find the roots of the equation below. x^2 - 6 + 9 = 0

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

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?