Which ratio forms a proportion with 18/30? a. 20/35; b. 50/90; c. 36/48; d. 60/100.

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

What is not true about kl and mn? what is mn? (show )

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function