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. 110
B. 240
C. 140
D. 200
Answer: D
Mathematics
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Solve the problem.A generator produces an alternating current according to the equation I = 48 sin 109?t, where t is time in seconds and I is the current in amperes. What is the smallest time t such that I = 24?
A. 
sec
B. 
sec
C. 
sec
D. 
sec
Mathematics
Compute AB, if possible.A = 
and B = 
A. 
B. 
C. not possible
D. 
Mathematics
Provide an appropriate response.The equation = -7 has a horizontal line as its graph.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system of equations.5x + 3y + z = 55x - 4y - z = -204x + y + 2z = -9
A. {(-1, -5, 5)} B. {(-5, 5, -1)} C. ? D. {(-1, 5, -5)}
Mathematics