What do you know about expressions and equation what are some expressions and equation have you ever thought about what you should do if you don't know a certain value Give an example of how you think you should handle that type of situation

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

Hi, can anyone show me how to do this problem? 100 points for this. in advance

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?