Solve the problem.The space in a landfill decreases with time as given by the function 
where t is measured in years. How much space is left when t = 1?
A. 200
B. 380
C. 210
D. 110
Answer: A
Mathematics
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Perform the operation. Write the answer as a fraction in lowest terms.4
? 2
A. 
B. 
C. 
D. 
Mathematics
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. x-intercept: 
, no y-intercepts ;
C. No x-intercepts, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
Mathematics
Solve by the substitution method.5x - 6y = 392x - 2y = 16
A. {(9, 2)} B. {(8, 2)} C. ? D. {(9, 1)}
Mathematics
How many digits does it take in total to number a book from page 23 to page 877?
a. 518 b. 854 c. 2,488 d. 523 e. 385,003
Mathematics