Let B = {11,16,18,20} and C= {5,11,13,16,17). B_C={11,16} Which symbol inserted in the blank will make the above statement correct? A. E B. U C. ▶ D. n

The National Business Machine Corporation manufactures two types of fax machines, model A and model B. Each model A costs S200 to make and each model B costs $300 to make. The profits are $25 for each model A fax machine and $40 for each model B fax machine. The total number of fax machines produced each month cannot exceed 2500 and the total earmarked for manufacturing costs cannot exceed $600,000. How many fax machines of each model should the National Business Machine corporation make to maximize profits?

Let U= {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; B = {q, s, y, z} and C = {v, w, x, y, z}. List the members of the indicated set, using set braces. B'n (AUC') O A. (q, r, s, t, u, v, w, x, y} O B. {r, t, u} Oc. (r, t, u, w} O D. (q, r, s, t, u, w)