Solve the problem.12 different books are to be arranged on a shelf. How many different arrangements are possible?
A. 39,916,800
B. 12
C. 479,001,600
D. 239,500,800
Answer: C
Mathematics
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One positive number is 2 larger than another number. The sum of their squares is 52. Find the numbers.
A. 4, 6 B. 7, 8 C. 5, 7 D. 6, 7 E. 2, 4
Mathematics
Find the LCM and the GCF of 100 and 120.
A. 120, 20 B. 600, 40 C. 600, 20 D. 12,000, 40
Mathematics
Find the greatest common factor, GCF, of the expressions.x4, x5, x6
A. x4 B. x6 C. x D. x15
Mathematics
Write a formula for the nth term of the geometric sequence.-3, -9, -27, -81, -243, . . .
A. an = a1 + 3n B. an = -3(3)n - 1 C. an = -3(3n) D. an = -3(3)n
Mathematics