Plz help me quick. I will greatly appreciate it

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

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.