Solve.7x(x + 3) + 9 = 3x(x + 2)
A. 
, 3
B. - 
, -3
C. 
, -3
D. -3
Answer: B
Mathematics
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.2 + 3 + 4 + 5 + 6
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
A. 
B. 6x
C. 
D. 12x
Mathematics
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.B'
A. {-1, 0, 4, 6, 9} B. {-8, -1, 4, 6, 9} C. {-8, -1, 0, 4, 6, 9} D. {-8, -1, 0, 4, 6, 7, 9}
Mathematics
Classify the polynomial as a perfect square trinomial, a difference of squares, or neither.36x2 - 84x + 49
A. Perfect square trinomial B. Neither C. Difference of squares
Mathematics