Find the sum of the arithmetic sequence.-3 + 1 + 5 + 9 + 13 + ... + (4n - 7)
A. n(4n + 7)
B. n(2n + 5)
C. n(2n - 5)
D. n(4n - 7)
Answer: C
Mathematics
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Perform the indicated operations.(5x - 6y)(3x - 9y)
A. 15x2 - 63xy + 54y2 B. 15x2 - 18xy + 54y2 C. 15x2 - 63xy - 63y2 D. 15x2 - 45xy + 54y2
Mathematics
Write the prime factorization of the number.252
A. 23 ? 32 ? 7 B. 34 ? 7 C. 22 ? 32 ? 7 D. 24 ? 7
Mathematics
Solve the equation.(x - 7) - (x + 8) = 2x
A. - 3
B. - 
C. 3
D. - 
Mathematics
Solve.Suppose that an open box is to be made from a square sheet of cardboard by cutting out 
squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 16 cubic inches, find the original dimensions of the sheet of cardboard. 
A. 
in. by 2
in.
B. 2 in. by 2 in.
C. 4 in. by 4 in.
D. 10 in. by 10 in.
Mathematics