Factor.3x2y7 + 9x2y6
A. 3x6y2(y + 3)
B. x2y6(3y + 3)
C. y + 3
D. 3x2y6(y + 3)
Answer: D
Mathematics
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Subtract. Use borrowing, if necessary.
A. 120 B. 62 C. 42 D. 40
Mathematics
Match the equation to its graph.y2 = -14x
A. 
B. 
C. 
D. 
Mathematics
Find the average rate of change of the function as x changes from a to b.g(x) = (x - 1)2; a = 4, b = 8
A. 14 B. 10 C. -2 D. -6
Mathematics
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true.Sn: 1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?
Mathematics