Combine like terms.6a9 - 8a9 + 7a3 + 4a9 - 13a3
A. Can't be simplified
B. 2a9 - 6a3
C. -4a12
D. -4a9
Answer: B
Mathematics
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Use the elimination method to solve the system of linear equations.9x + 3 = 6y-7x - 2y = 49
A. No solution B. (-5, -6) C. (-6, -6) D. (-5, -7)
Mathematics
Find the derivative of the function.g(x) = 
A. g '(x) = 
B. g '(x) = 
C. g '(x) = 
D. g '(x) = 
Mathematics
State whether the parabola opens upwards or downwards.y = 
x2 - 3
A. Upwards B. Downwards
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics