Plz answer this (its not A)

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

Sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack without going over the limit?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?