Find the length of the missing side of this right triangle. the answers not 12

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=4 and bc=3, find ah, ch and bh.

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3