Can someone help me, please

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost