Solve the problem.License plates are made using 3 letters followed by 3 digits. How many plates can be made if repeated letters and digits are allowed?
A. 1,000,000
B. 1,757,600
C. 17,576,000
D. 308,915,776
Answer: C
Mathematics
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial.x2 + 17x + 72
A. (x - 8)(x - 9) B. (x + 8)(x + 9) C. (x + 72)(x + 1) D. (x - 8)(x + 9)
Mathematics
Solve using matrices.2x - y + 7z = 577x + 7z = 70 8y + z = 73
A. (1, 9, 8) B. (8, 9, 1) C. (-1, 8, 2) D. (1, 8, 9)
Mathematics
Factor completely.12x2y2 + 7xy2 - 12y2
A. y2(x + 4)(12x - 3) B. (3x + 4y)(4x - 3y) C. (4x + 4y)(3x - 3y) D. y2(3x + 4)(4x - 3)
Mathematics