Bonjour quelqu'un pourrait m'aider à résoudre ce calcul svp ?

A= (5+T) (T-2)

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

Measure a and b and find their sum. how are the angles related?

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.