Let d = {d ∈ q | d < 2} and j = {j ∈ q | j < 8} be dedekind cuts. consider the set dj = {dj | d ∈ d, j ∈ j}.
is dj a dedekind cut? justify your answer.

What is the base of 1/9 to the power of 2

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?