Simplify.(-r4s)2( -r2s2)5
A. -r48s34
B. r18s12
C. -r-2s12
D. -r18s12
Answer: D
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If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.? = 5 radians, A = 84 square meters, r = ?
A. 840 m B. 14.49 m C. 5.8 m D. 210 m
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Advertising Suppose that a survey of 100 advertisers in U.S. News, These Times, and World found the following.
21 advertised in all three
24 advertised in These Times and U.S. News
57 advertised in World and U.S. News
23 advertised in World and These Times
51 advertised in These Times
64 advertised in U.S. News
65 advertised in World
Which is the correct Venn diagram representing this information?
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Solve the problem.The following numerical representation for f computes the average number of hours of television watched per day based on year of birth x.
Give a numerical representation for a function g that computes the average number of hours of television watched per day for the year x, where 
corresponds to the birth year 1975. Write an equation that shows the relationship between f(x) and g(x).
A. 
f(x) = g(x) - 1975
B. 
f(x) = g(x - 1975)
C. 
f(x) = g(x - 1900)
D. 
f(x) = g(x + 1975)