23 of all your books are fiction. 16 of those are historical fiction. What fraction of all your books are historical fiction?

17 in long 1.3 ft wide and 8in high what is the volume

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

Asap! i'm not good math and i'm lost.