Provide an appropriate response.What is a correct notation for the given line? 
A. 
B. 
C. 
D. 
Answer: D
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LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}Determine the following. (A' ? C) ? B'
A. {r, t, u, v, w, s, y, z} B. {r, t, v, w, x} C. {y, z} D. {v, x}
A deck of cards contains 52 cards. These cards consist of four suits - hearts, spades, clubs, and diamonds. Each suit contains one of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. Assume that one card is selected at random from a well-shuffled deck of cards.Find the probability that the card is a red 3.
A. 
B. 
C. 
D. 
Solve the problem.The shadow cast by an object on a sunny day varies directly with the height of the object. If a person 55 inches tall casts a shadow 69 inches long, how tall is a tree which casts a shadow 48 feet in length? Round to the nearest hundredth when necessary.
A. 79.06 ft B. 60.22 ft C. 38.26 ft D. 62 ft
Find the sum of the infinite geometric series, if it exists.
A. 
B. 
C. 
D. Does not exist