Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.9x - 4y = -54-3x - 2y = 18
A. (-7, 1)
B. (-6, 0)
C. (-6, 1)
D. No solution
Answer: B
Mathematics
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Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. -1.2 B. -1.6 C. 2.3 D. 1.9
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Solve the quadratic equation.
x2 + 
x + 
= 0
A. - 
B. 
C. 
D. 
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Find the LCM of the set of numbers.30, 40, 50
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