Which shape is a unit cube?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

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)