Solve the problem.The space in a landfill (in acres) decreases with time as given by the function 
where t is measured in years. How much space is left when t = 6?
A. 110 acres
B. 200 acres
C. 520 acres
D. 280 acres
Answer: B
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Consider below the branching tree diagram based on the number per 3000 American adults. 
LetT = the set of Americans who like classical music R = the set of Republicans who like classical music D = the set of Democrats who like classical music I = the set of Independents who like classical musicDetermine whether the statement is true or false.Let M = the set of Democratic men who like classical music W = the set of Democratic women who like classical musicM ? T
A. True B. False
Write the standard form of the whole number that is expressed in word form in the sentence.The Johnsons have driven their car forty-nine thousand, eight hundred one miles in the last few years.
A. 490,801 B. 49,801 C. 4,981 D. 49,810
Find the ratio described as a fraction in simplest form.Find the ratio of the width to the perimeter of the rectangular swimming pool sketched below.
A. 
B. 
C. 
D. 
Solve the equation by completing the square.4r2 + 22r = -15
A. 
B. 
C. 
D. 