Let a given periodic signal satisfys(n1, n2) = s(n1 + 5, n2 + 3) = s(n1 – 1, n2 – 3) for all n1, n2. (a)What is the corresponding periodicity matrix N? (b)Is 푠푠also periodic with vectors풏풏1=�40� and 풏풏2=�3−3� ?

In “the caged bird,” what is the speaker’s tone or attitude toward the subject of oppression? check all that apply.

Review paragraphs 12-15 of the short story, where della goes to get her hair cut at madame sofronie’s. use this “unseen scene” as an inspiration to write your own scene in which you imagine what the two characters might be doing and saying as the haircutting progresses. or you may want to imagine the scene in which jim sells his watch to buy the combs for della.

Language arts : : which answer choice is correctly punctuated? question 2 options: a. for the apartment we need lamps rugs pictures, and pillows. b. mom is giving us some dishes, utensils and pots. c. did you remember to shop for soap, tissues and, paper towels? d. yes, i bought cleaning supplies, first aid items, and light bulbs.