Use Gaussian elimination to solve the system of equations. 6x + 8y = 24-3x - 2y = -12
A. (4, 1)
B. (3, 1)
C. No solution
D. (4, 0)
Answer: D
Mathematics
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Solve the problem.The number of acres in a landfill is given by the function 
where t is measured in years. How many acres will the landfill have after 9 years? (Round to the nearest acre.)
A. 1953 B. 1242 C. 1222 D. 2861
Mathematics
Solve the equation.
- 4 = x
A. {18} B. {72} C. {36} D. {-18}
Mathematics
Express the following in interval notation.10 ? x > -4
A. (-?, -4] ? (10, ?) B. (-?, -4) ? [10, ?) C. (-4, 10] D. [-4, 10)
Mathematics
Graph the function.f(x) = log5 x
A. 
B. 
C. 
D. 
Mathematics